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*~
Hue_Controller/secrets.h
.idea
CircuitPython_Logger/secrets\.py

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[MASTER]
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# you want to run only the similarities checker, you can use "--disable=all
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# Enable the message, report, category or checker with the given id(s). You can
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[REPORTS]
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msg-template='{path} {line}: {msg} ({symbol})'
# Set the output format. Available formats are text, parseable, colorized, json
# and msvs (visual studio).You can also give a reporter class, eg
# mypackage.mymodule.MyReporterClass.
output-format=text
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ignore-on-opaque-inference=yes
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callbacks=cb_,_cb
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dist: trusty
sudo: false
language: python
python:
- "3.6"
cache:
cache:
pip: true
directories:
- ~/arduino_ide
- ~/.arduino15/packages/
- ~/Arduino
env:
global:
- ARDUINO_IDE_VERSION="1.8.7"
- PRETTYNAME="Adafruit Learning System Guides"
- PLATFORM_CHECK_ONLY_ON_FILE=true
before_install:
- source <(curl -SLs https://raw.githubusercontent.com/adafruit/travis-ci-arduino/master/install.sh)
install:
- ./arduino_libinstall
- pip install --force-reinstall pylint==1.9.2
script:
- ./pylint_check
- build_main_platforms
- build_aux_platforms
- build_cplay_platforms
- build_m4_platforms
- build_io_platforms

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Introducing_Gemma_M0/Default Files/.Trashes → 3D_Printed_Bionic_Eye/.trinket.test
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/*******************************************************************
Bionic Eye sketch for Adafruit Trinket.
by Bill Earl
for Adafruit Industries
Required library is the Adafruit_SoftServo library
available at https://github.com/adafruit/Adafruit_SoftServo
The standard Arduino IDE servo library will not work with 8 bit
AVR microcontrollers like Trinket and Gemma due to differences
in available timer hardware and programming. We simply refresh
by piggy-backing on the timer0 millis() counter
Trinket: Bat+ Gnd Pin #0 Pin #1
Connection: Servo+ Servo- Tilt Rotate
(Red) (Brown) Servo Servo
(Orange)(Orange)
*******************************************************************/
#include <Adafruit_SoftServo.h> // SoftwareServo (works on non PWM pins)
#define TILTSERVOPIN 0 // Servo control line (orange) on Trinket Pin #0
#define ROTATESERVOPIN 1 // Servo control line (orange) on Trinket Pin #1
Adafruit_SoftServo TiltServo, RotateServo; //create TWO servo objects
void setup()
{
// Set up the interrupt that will refresh the servo for us automagically
OCR0A = 0xAF; // any number is OK
TIMSK |= _BV(OCIE0A); // Turn on the compare interrupt (below!)
TiltServo.attach(TILTSERVOPIN); // Attach the servo to pin 0 on Trinket
RotateServo.attach(ROTATESERVOPIN); // Attach the servo to pin 1 on Trinket
delay(15); // Wait 15ms for the servo to reach the position
}
void loop()
{
delay(100);
TiltServo.detach(); // release the servo
RotateServo.detach(); // release the servo
if(random(100) > 80) // on average, move once every 500ms
{
TiltServo.attach(TILTSERVOPIN); // Attach the servo to pin 0 on Trinket
TiltServo.write(random(120, 180)); // Tell servo to go to position
}
if(random(100) > 90) // on average, move once every 500ms
{
RotateServo.attach(ROTATESERVOPIN); // Attach the servo to pin 1 on Trinket
RotateServo.write(random(0, 180)); // Tell servo to go to position
}
}
// We'll take advantage of the built in millis() timer that goes off
// to keep track of time, and refresh the servo every 20 milliseconds
// The SIGNAL(TIMER0_COMPA_vect) function is the interrupt that will be
// Called by the microcontroller every 2 milliseconds
volatile uint8_t counter = 0;
SIGNAL(TIMER0_COMPA_vect)
{
// this gets called every 2 milliseconds
counter += 2;
// every 20 milliseconds, refresh the servos!
if (counter >= 20)
{
counter = 0;
TiltServo.refresh();
RotateServo.refresh();
}
}

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3D_Printed_Bionic_Eye/3D_Printed_Bionic_Eye.py Normal file
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# Bionic Eye sketch for Adafruit Trinket.
#
# written by Bill Earl for Arduino
# ported to CircuitPython by Mikey Sklar
# for Adafruit Industries
#
# Required library is the Adafruit_SoftServo library
# available at https://github.com/adafruit/Adafruit_SoftServo
# The standard Arduino IDE servo library will not work with 8 bit
# AVR microcontrollers like Trinket and Gemma due to differences
# in available timer hardware and programming. We simply refresh
# by piggy-backing on the timer0 millis() counter
#
# Trinket: Bat+ Gnd Pin #0 Pin #2
# Connection: Servo+ Servo- Tilt Rotate
# (Red) (Black) Servo Servo
# (Orange)(Orange)
import time
import random
import board
import pulseio
from adafruit_motor import servo
# we are intentionally avoiding Trinket Pin #1 (board.A0)
# as it does not have PWM capability
tilt_servo_pin = board.A2 # servo control line (orange) Trinket Pin #0
rotate_servo_pin = board.A1 # servo control line (orange) Trinket Pin #2
# servo object setup for the M0 boards:
tilt_pwm = pulseio.PWMOut(tilt_servo_pin, duty_cycle=2 ** 15, frequency=50)
rotate_pwm = pulseio.PWMOut(rotate_servo_pin, duty_cycle=2 ** 15, frequency=50)
tilt_servo = servo.Servo(tilt_pwm)
rotate_servo = servo.Servo(rotate_pwm)
# servo timing and angle range
tilt_min = 120 # lower limit to tilt rotation range
max_rotate = 180 # rotation range limited to half circle
while True:
# servo tilt - on average move every 500ms
if random.randint(0,100) > 80:
tilt_servo.angle = random.randint(tilt_min, max_rotate)
time.sleep(.25)
# servo rotate - on average move every 500ms
if random.randint(0,100) > 90:
rotate_servo.angle = random.randint(0, max_rotate)
time.sleep(.25)

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# 3D_Printed_Bionic_Eye
Code to accompany this Adafruit tutorial:
https://learn.adafruit.com/3d-printed-bionic-eye

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// Fiery demon horns (rawr!) for Adafruit Trinket/Gemma.
// Adafruit invests time and resources providing this open source code,
// please support Adafruit and open-source hardware by purchasing
// products from Adafruit!
#include <Adafruit_NeoPixel.h>
#include <avr/power.h>
#define N_HORNS 1
#define N_LEDS 30 // Per horn
#define PIN 0
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(N_HORNS * N_LEDS, PIN);
// /\ -> Fire-like effect is the sum of multiple triangle
// ____/ \____ waves in motion, with a 'warm' color map applied.
#define N_WAVES 6 // Number of simultaneous waves (per horn)
// Coordinate space for waves is 16x the pixel spacing,
// allowing fixed-point math to be used instead of floats.
struct {
int16_t lower; // Lower bound of wave
int16_t upper; // Upper bound of wave
int16_t mid; // Midpoint (peak) ((lower+upper)/2)
uint8_t vlower; // Velocity of lower bound
uint8_t vupper; // Velocity of upper bound
uint16_t intensity; // Brightness at peak
} wave[N_HORNS][N_WAVES];
long fade; // Decreases brightness as wave moves
// Gamma correction improves appearance of midrange colors
uint8_t gamma[] PROGMEM = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2,
2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5,
5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10,
10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16,
17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25,
25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36,
37, 38, 39, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 50,
51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68,
69, 70, 72, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89,
90, 92, 93, 95, 96, 98, 99,101,102,104,105,107,109,110,112,114,
115,117,119,120,122,124,126,127,129,131,133,135,137,138,140,142,
144,146,148,150,152,154,156,158,160,162,164,167,169,171,173,175,
177,180,182,184,186,189,191,193,196,198,200,203,205,208,210,213,
215,218,220,223,225,228,231,233,236,239,241,244,247,249,252,255 };
static void random_wave(uint8_t h,uint8_t w) { // Randomize one wave struct
wave[h][w].upper = -1; // Always start just below head of strip
wave[h][w].lower = -16 * (3 + random(4)); // Lower end starts ~3-7 pixels back
wave[h][w].mid = (wave[h][w].lower + wave[h][w].upper) / 2;
wave[h][w].vlower = 3 + random(4); // Lower end moves at ~1/8 to 1/4 pixel/frame
wave[h][w].vupper = wave[h][w].vlower + random(4); // Upper end moves a bit faster, spreading wave
wave[h][w].intensity = 300 + random(600);
}
void setup() {
uint8_t h, w;
randomSeed(analogRead(1));
pixels.begin();
for(h=0; h<N_HORNS; h++) {
for(w=0; w<N_WAVES; w++) random_wave(h, w);
}
fade = 234 + N_LEDS / 2;
if(fade > 255) fade = 255;
// A ~100 Hz timer interrupt on Timer/Counter1 makes everything run
// at regular intervals, regardless of current amount of motion.
#if F_CPU == 16000000L
clock_prescale_set(clock_div_1);
TCCR1 = _BV(PWM1A) | _BV(CS13) | _BV(CS11) | _BV(CS10); // 1:1024 prescale
OCR1C = F_CPU / 1024 / 100 - 1;
#else
TCCR1 = _BV(PWM1A) | _BV(CS13) | _BV(CS11); // 1:512 prescale
OCR1C = F_CPU / 512 / 100 - 1;
#endif
GTCCR = 0; // No PWM out
TIMSK |= _BV(TOIE1); // Enable overflow interrupt
}
void loop() { } // Not used -- everything's in interrupt below
ISR(TIMER1_OVF_vect) {
uint8_t h, w, i, r, g, b;
int16_t x;
uint16_t sum;
for(h=0; h<N_HORNS; h++) { // For each horn...
for(x=7, i=0; i<N_LEDS; i++, x+=16) { // For each LED along horn...
for(sum=w=0; w<N_WAVES; w++) { // For each wave of horn...
if((x < wave[h][w].lower) || (x > wave[h][w].upper)) continue; // Out of range
if(x <= wave[h][w].mid) { // Lower half of wave (ramping up to peak brightness)
sum += wave[h][w].intensity * (x - wave[h][w].lower) / (wave[h][w].mid - wave[h][w].lower);
} else { // Upper half of wave (ramping down from peak)
sum += wave[h][w].intensity * (wave[h][w].upper - x) / (wave[h][w].upper - wave[h][w].mid);
}
}
// Now the magnitude (sum) is remapped to color for the LEDs.
// A blackbody palette is used - fades white-yellow-red-black.
if(sum < 255) { // 0-254 = black to red-1
r = pgm_read_byte(&gamma[sum]);
g = b = 0;
} else if(sum < 510) { // 255-509 = red to yellow-1
r = 255;
g = pgm_read_byte(&gamma[sum - 255]);
b = 0;
} else if(sum < 765) { // 510-764 = yellow to white-1
r = g = 255;
b = pgm_read_byte(&gamma[sum - 510]);
} else { // 765+ = white
r = g = b = 255;
}
pixels.setPixelColor(h * N_LEDS + i, r, g, b);
}
for(w=0; w<N_WAVES; w++) { // Update wave positions for each horn
wave[h][w].lower += wave[h][w].vlower; // Advance lower position
if(wave[h][w].lower >= (N_LEDS * 16)) { // Off end of strip?
random_wave(h, w); // Yes, 'reboot' wave
} else { // No, adjust other values...
wave[h][w].upper += wave[h][w].vupper;
wave[h][w].mid = (wave[h][w].lower + wave[h][w].upper) / 2;
wave[h][w].intensity = (wave[h][w].intensity * fade) / 256; // Dimmer
}
}
}
pixels.show();
}

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# Fiery demon horns (rawr!) for Adafruit Trinket/Gemma.
# Adafruit invests time and resources providing this open source code,
# please support Adafruit and open-source hardware by purchasing
# products from Adafruit!
import board
import neopixel
from analogio import AnalogIn
# pylint: disable=global-statement
try:
import urandom as random
except ImportError:
import random
# /\ -> Fire-like effect is the sum_total of multiple triangle
# ____/ \____ waves in motion, with a 'warm' color map applied.
n_horns = 1 # number of horns
led_pin = board.D0 # which pin your pixels are connected to
n_leds = 30 # number of LEDs per horn
frames_per_second = 50 # animation frames per second
brightness = 0 # current wave height
fade = 0 # Decreases brightness as wave moves
pixels = neopixel.NeoPixel(led_pin, n_leds, brightness=1, auto_write=False)
offset = 0
# Coordinate space for waves is 16x the pixel spacing,
# allowing fixed-point math to be used instead of floats.
lower = 0 # lower bound of wave
upper = 1 # upper bound of wave
mid = 2 # midpoint (peak) ((lower+upper)/2)
vlower = 3 # velocity of lower bound
vupper = 4 # velocity of upper bound
intensity = 5 # brightness at peak
y = 0
brightness = 0
count = 0
# initialize 3D list
wave = [[0] * 6] * 6, [[0] * 6] * 6, [[0] * 6] * 6, [[0] * 6] * 6, [[0] * 6] * 6, [[0] * 6] * 6
# Number of simultaneous waves (per horn)
n_waves = len(wave)
# Gamma-correction table
gamma = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2,
2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5,
5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10,
10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16,
17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25,
25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36,
37, 38, 39, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 50,
51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68,
69, 70, 72, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89,
90, 92, 93, 95, 96, 98, 99, 101, 102, 104, 105, 107, 109, 110,
112, 114, 115, 117, 119, 120, 122, 124, 126, 127, 129, 131, 133,
135, 137, 138, 140, 142, 144, 146, 148, 150, 152, 154, 156, 158,
160, 162, 164, 167, 169, 171, 173, 175, 177, 180, 182, 184, 186,
189, 191, 193, 196, 198, 200, 203, 205, 208, 210, 213, 215, 218,
220, 223, 225, 228, 231, 233, 236, 239, 241, 244, 247, 249, 252,
255
]
def random_wave(he, wi):
wave[he][wi][upper] = -1 # Always start below head of strip
wave[he][wi][lower] = -16 * (3 + random.randint(0,4)) # Lower end starts ~3-7 pixels back
wave[he][wi][mid] = (wave[he][wi][lower]+ wave[he][wi][upper]) / 2
wave[he][wi][vlower] = 3 + random.randint(0,4) # Lower end moves at ~1/8 to 1/pixels
wave[he][wi][vupper] = wave[he][wi][vlower]+ random.randint(0,4) # Upper end moves a bit faster
wave[he][wi][intensity] = 300 + random.randint(0,600)
def setup():
global fade
# Random number generator is seeded from an unused 'floating'
# analog input - this helps ensure the random color choices
# aren't always the same order.
pin = AnalogIn(board.A0)
random.seed(pin.value)
pin.deinit()
for he in range(n_horns):
for wi in range(n_waves):
random_wave(he, wi)
fade = 233 + n_leds / 2
if fade > 233:
fade = 233
setup()
while True:
h = w = i = r = g = b = 0
x = 0
for h in range(n_horns): # For each horn...
x = 7
sum_total = 0
for i in range(n_leds): # For each LED along horn...
x += 16
for w in range(n_waves): # For each wave of horn...
if (x < wave[h][w][lower]) or (x > wave[h][w][upper]):
continue # Out of range
if x <= wave[h][w][mid]: # Lower half of wave (ramping up peak brightness)
sum_top = wave[h][w][intensity] * (x - wave[h][w][lower])
sum_bottom = (wave[h][w][mid] - wave[h][w][lower])
sum_total += sum_top / sum_bottom
else: # Upper half of wave (ramping down from peak)
sum_top = wave[h][w][intensity] * (wave[h][w][upper] - x)
sum_bottom = (wave[h][w][upper] - wave[h][w][mid])
sum_total += sum_top / sum_bottom
sum_total = int(sum_total) # convert from decimal to whole number
# Now the magnitude (sum_total) is remapped to color for the LEDs.
# A blackbody palette is used - fades white-yellow-red-black.
if sum_total < 255: # 0-254 = black to red-1
r = gamma[sum_total]
g = b = 0
elif sum_total < 510: # 255-509 = red to yellow-1
r = 255
g = gamma[sum_total - 255]
b = 0
elif sum_total < 765: # 510-764 = yellow to white-1
r = g = 255
b = gamma[sum_total - 510]
else: # 765+ = white
r = g = b = 255
pixels[i] = (r, g, b)
for w in range(n_waves): # Update wave positions for each horn
wave[h][w][lower] += wave[h][w][vlower] # Advance lower position
if wave[h][w][lower] >= (n_leds * 16): # Off end of strip?
random_wave(h, w) # Yes, 'reboot' wave
else: # No, adjust other values...
wave[h][w][upper] += wave[h][w][vupper]
wave[h][w][mid] = (wave[h][w][lower] + wave[h][w][upper]) / 2
wave[h][w][intensity] = (wave[h][w][intensity] * fade) / 256 # Dimmer
pixels.show()

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// Adafruit Trinket+NeoPixel animation for Daft Punk-inspired helmet.
// Contains some ATtiny85-specific stuff; won't run as-is on Uno, etc.
// Operates in HSV (hue, saturation, value) colorspace rather than RGB.
// Animation is an interference pattern between two waves; one controls
// saturation, the other controls value (brightness). The wavelength,
// direction, speed and type (square vs triangle wave) for each is randomly
// selected every few seconds. Hue is always linear, but other parameters
// are similarly randomized.
#include <Adafruit_NeoPixel.h>
#include <avr/power.h>
// GLOBAL STUFF --------------------------------------------------------------
#define N_LEDS 29
#define PIN 0
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(N_LEDS, PIN);
volatile uint16_t count = 1; // Countdown to next animation change
extern const uint8_t gamma[]; // Big table at end of this code
volatile struct {
uint8_t type, // 0 = square wave, 1 = triangle wave
value[2]; // 0 = start-of-frame value, 1 = pixel-to-pixel value
int8_t inc[2]; // 0 = frame-to-frame increment, 1 = pixel-to-pixel inc
} wave[3]; // 0 = Hue, 1 = Saturation, 2 = Value (brightness)
#define WAVE_H 0 // Array indices for wave[]
#define WAVE_S 1
#define WAVE_V 2
#define FRAME 0 // Array indices for value[] and inc[]
#define PIXEL 1
// INITIALIZATION ------------------------------------------------------------
void setup() {
pixels.begin();
randomSeed(analogRead(0)); // Seed random() from a floating pin (D2)
// Timer/Counter 1 is used to generate a steady ~50 Hz frame rate.
#if F_CPU == 16000000L
clock_prescale_set(clock_div_1);
TCCR1 = _BV(PWM1A) | _BV(CS13) | _BV(CS12); // 1:2048 prescale
OCR1C = F_CPU / 2048 / 50 - 1;
#else
TCCR1 = _BV(PWM1A) | _BV(CS13) | _BV(CS11) | _BV(CS10); // 1:1024
OCR1C = F_CPU / 1024 / 50 - 1;
#endif
GTCCR = 0; // No PWM out
TIMSK |= _BV(TOIE1); // Enable overflow interrupt
}
void loop() { } // Not used here -- everything's in interrupt below
// 50 HZ LOOP ----------------------------------------------------------------
ISR(TIMER1_OVF_vect) {
uint8_t w, i, n, s, v, r, g, b;
uint16_t v1, s1;
if(!(--count)) { // Time for new animation?
count = 250 + random(250); // New effect will run for 5-10 sec.
for(w=0; w<3; w++) { // Three waves (H,S,V)...
wave[w].type = random(2); // Assign random type (square/triangle)
for(i=0; i<2; i++) { // For frame and pixel increments...
while(!(wave[w].inc[i] = random(15) - 7)); // Set non-zero random
// wave value is never initialized; it's allowed to carry over
}
wave[w].value[PIXEL] = wave[w].value[FRAME];
}
wave[WAVE_S].inc[PIXEL] *= 16; // Make saturation & value
wave[WAVE_V].inc[PIXEL] *= 16; // blinkier along strip
} else { // Continue current animation; update waves
for(w=0; w<3; w++) {
wave[w].value[FRAME] += wave[w].inc[FRAME]; // OK if this wraps!
wave[w].value[PIXEL] = wave[w].value[FRAME];
}
}
// Render current animation frame. COGNITIVE HAZARD: fixed point math.
for(i=0; i<N_LEDS; i++) { // For each LED along strip...
// Coarse (8-bit) HSV-to-RGB conversion, hue first:
n = (wave[WAVE_H].value[PIXEL] % 43) * 6; // Angle within sextant; 0-255
switch(wave[WAVE_H].value[PIXEL] / 43) { // Sextant number; 0-5
case 0 : r = 255 ; g = n ; b = 0 ; break; // R to Y
case 1 : r = 254 - n; g = 255 ; b = 0 ; break; // Y to G
case 2 : r = 0 ; g = 255 ; b = n ; break; // G to C
case 3 : r = 0 ; g = 254 - n; b = 255 ; break; // C to B
case 4 : r = n ; g = 0 ; b = 255 ; break; // B to M
default: r = 255 ; g = 0 ; b = 254 - n; break; // M to R
}
// Saturation = 1-256 to allow >>8 instead of /255
s = wave[WAVE_S].value[PIXEL];
if(wave[WAVE_S].type) { // Triangle wave?
if(s & 0x80) { // Downslope
s = (s & 0x7F) << 1;
s1 = 256 - s;
} else { // Upslope
s <<= 1;
s1 = 1 + s;
s = 255 - s;
}
} else { // Square wave
if(s & 0x80) { // 100% saturation
s1 = 256;
s = 0;
} else { // 0% saturation (white)
s1 = 1;
s = 255;
}
}
// Value (brightness) = 1-256 for similar reasons
v = wave[WAVE_V].value[PIXEL];
v1 = (wave[WAVE_V].type) ? // Triangle wave?
((v & 0x80) ? 64 - ((v & 0x7F) << 1) : // Downslope
1 + ( v << 1) ) : // Upslope
((v & 0x80) ? 256 : 1); // Square wave; on/off
pixels.setPixelColor(i,
pgm_read_byte(&gamma[((((r * s1) >> 8) + s) * v1) >> 8]),
pgm_read_byte(&gamma[((((g * s1) >> 8) + s) * v1) >> 8]),
pgm_read_byte(&gamma[((((b * s1) >> 8) + s) * v1) >> 8]));
// Update wave values along length of strip (values may wrap, is OK!)
for(w=0; w<3; w++) wave[w].value[PIXEL] += wave[w].inc[PIXEL];
}
pixels.show();
}
// Gamma correction improves appearance of midrange colors.
// This table is positioned down here because it's a big annoying
// distraction. The 'extern' near the top lets us reference it earlier.
const uint8_t gamma[] PROGMEM = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2,
2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5,
5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10,
10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16,
17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25,
25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36,
37, 38, 39, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 50,
51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68,
69, 70, 72, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89,
90, 92, 93, 95, 96, 98, 99,101,102,104,105,107,109,110,112,114,
115,117,119,120,122,124,126,127,129,131,133,135,137,138,140,142,
144,146,148,150,152,154,156,158,160,162,164,167,169,171,173,175,
177,180,182,184,186,189,191,193,196,198,200,203,205,208,210,213,
215,218,220,223,225,228,231,233,236,239,241,244,247,249,252,255 };

189
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# Adafruit Trinket+NeoPixel animation for Daft Punk-inspired helmet.
# Contains some ATtiny85-specific stuff; won't run as-is on Uno, etc.
# Operates in HSV (hue, saturation, value) colorspace rather than RGB.
# Animation is an interference pattern between two waves; one controls
# saturation, the other controls value (brightness). The wavelength,
# direction, speed and type (square vs triangle wave) for each is randomly
# selected every few seconds. Hue is always linear, but other parameters
# are similarly randomized.
import random
import board
import neopixel
from analogio import AnalogIn
n_leds = 29 # number of LEDs per horn
led_pin = board.D0 # which pin your pixels are connected to
# initialize neopixel strip
pixels = neopixel.NeoPixel(led_pin, n_leds, brightness=1, auto_write=False)
count = 1 # countdown to next animation change
# Gamma-correction table
gamma = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2,
2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5,
5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10,
10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16,
17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25,
25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36,
37, 38, 39, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 50,
51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68,
69, 70, 72, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89,
90, 92, 93, 95, 96, 98, 99, 101, 102, 104, 105, 107, 109, 110,
112, 114, 115, 117, 119, 120, 122, 124, 126, 127, 129, 131, 133,
135, 137, 138, 140, 142, 144, 146, 148, 150, 152, 154, 156, 158,
160, 162, 164, 167, 169, 171, 173, 175, 177, 180, 182, 184, 186,
189, 191, 193, 196, 198, 200, 203, 205, 208, 210, 213, 215, 218,
220, 223, 225, 228, 231, 233, 236, 239, 241, 244, 247, 249, 252,
255
]
# initialize 3D list
wave = [0] * 5, [0] * 5, [0] * 5
wave_type = 0 # 0 = square wave, 1 = triangle wave
value_frame = 1 # start-of-frame value
value_pixel = 2 # pixel-to-pixel value
inc_frame = 3 # frame-to-frame increment
inc_pixel = 4 # pixel-to-pixel inc
wave_h = 0 # hue
wave_s = 1 # saturation
wave_v = 2 # brightness
# Random number generator is seeded from an unused 'floating'
# analog input - this helps ensure the random color choices
# aren't always the same order.
pin = AnalogIn(board.A0)
random.seed(pin.value)
pin.deinit()
# generate a non-zero random number for frame and pixel increments
def nz_random():
random_number = 0
while random_number <= 0:
random_number = random.randint(0,15) - 7
return random_number
while True:
w = i = n = s = v = r = g = b = v1 = s1 = 0
if count <= 0: # time for new animation
count = 250 + random.randint(0,250) # effect run for 5-10 sec.
for w in range(3): # three waves (H,S,V)
wave[w][wave_type] = random.randint(0,2)# square vs triangle
wave[w][inc_frame] = nz_random() # frame increment
wave[w][inc_pixel] = nz_random() # pixel increment
wave[w][value_pixel] = wave[w][value_frame]
wave[wave_s][inc_pixel] *= 16 # make saturation & value
wave[wave_v][inc_pixel] *= 16 # blinkier along strip
else: # continue animation
count -= 1
for w in range(3):
wave[w][value_frame] += wave[w][inc_frame]
wave[w][value_pixel] = wave[w][value_frame]
# Render current animation frame. COGNITIVE HAZARD: fixed point math.
for i in range(n_leds): # for each LED along strip...
# Coarse (8-bit) HSV-to-RGB conversion, hue first:
n = (wave[wave_h][value_pixel] % 43) * 6 # angle within sextant
sextant = wave[wave_h][value_pixel] / 43 # sextant number 0-5
# R to Y
if sextant == 0:
r = 255
g = n
b = 0
# Y to G
elif sextant == 1:
r = 254 - n
g = 255
b = 0
# G to C
elif sextant == 2:
r = 0
g = 255
b = n
# C to B
elif sextant == 3:
r = 0
g = 254 - n
b = 255
# B to M
elif sextant == 4:
r = n
g = 0
b = 255
# M to R
else:
r = 255
g = 0
b = 254 - n
# Saturation = 1-256 to allow >>8 instead of /255
s = wave[wave_s][value_pixel]
if wave[wave_s][wave_type]: # triangle wave?
if s & 0x80: # downslope
s = (s & 0x7F) << 1
s1 = 256 - s
else: # upslope
s = s<<1
s1 = 1 + s
s = 255 - s
else:
if s & 0x80: # square wave
s1 = 256 # 100% saturation
s = 0
else: # 0% saturation
s1 = 1
s = 255
# Value (brightness) = 1-256 for similar reasons
v = wave[wave_v][value_pixel]
# value (brightness) = 1-256 for similar reasons
if wave[wave_v][wave_type]: # triangle wave?
if v & 0x80: # downslope
v1 = 64 - ((v & 0x7F) << 1)
else: # upslope
v1 = 1 + (v << 1)
else:
if v & 0x80: # square wave; on/off
v1 = 256
else:
v1 = 1
# gamma rgb values
gr = ((((r * s1) >> 8) + s) * v1) >> 8
gg = ((((g * s1) >> 8) + s) * v1) >> 8
gb = ((((b * s1) >> 8) + s) * v1) >> 8
# gamma rgb indices range check
if -256 < gr < 256:
r = gamma[gr]
if -256 < gg < 256:
g = gamma[gg]
if -256 < gb < 256:
b = gamma[gb]
pixels[i] = (r, g, b)
# update wave values along length of strip (values may wrap, is OK!)
for w in range(3):
wave[w][value_pixel] += wave[w][inc_pixel]
pixels.show()

4
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# 3D Printed Daft Punk Helmet
Code to accompany this tutorial:
https://learn.adafruit.com/3d-printed-daft-punk-helmet

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Introducing_Gemma_M0/Default Files/.fseventsd/no_log → 3D_Printed_Guardian_Sword/.gemma.test
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Introducing_Gemma_M0/Default Files/.metadata_never_index → 3D_Printed_Guardian_Sword/.trinket.test
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3D_Printed_Guardian_Sword/3D_Printed_Guardian_Sword.py
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# 3D_Printed_Guardian_Sword
# https://learn.adafruit.com/breath-of-the-wild-guardian-sword-led-3d-printed
import board
import neopixel
import time
pin = board.D4 # DIGITAL IO pin for NeoPixel OUTPUT from GEMMA
pixel_count = 93 # number of neopixels
delayval = .01 # 10 ms delay
import board
import neopixel
APIXELS = 14 # number of first orange pixels
BPIXELS = 84 # number of blue pixels
CPIXELS = 93 # second orange pixels
pin = board.D4 # DIGITAL IO pin for NeoPixel OUTPUT from GEMMA
pixel_count = 93 # number of neopixels
delayval = .01 # 10 ms delay
APIXELS = 14 # number of first orange pixels
BPIXELS = 84 # number of blue pixels
CPIXELS = 93 # second orange pixels
# initialize neopixels
pixels = neopixel.NeoPixel(pin, pixel_count, brightness=1, auto_write=False)
while True:
# For the first 14 pixels, make them orange,
# For the first 14 pixels, make them orange,
# starting from pixel number 0.
for i in range( 0, APIXELS ):
# Set Pixels to Orange Color
pixels[i] = ( 255, 50, 0 )
for i in range(0, APIXELS):
# Set Pixels to Orange Color
pixels[i] = (255, 50, 0)
# This sends the updated pixel color to the hardware.
pixels.write()
# Delay for a period of time (in milliseconds).
time.sleep(delayval)
pixels.write()
# Delay for a period of time (in milliseconds).
time.sleep(delayval)
# Fill up 84 pixels with blue,
# Fill up 84 pixels with blue,
# starting with pixel number 14.
for i in range ( 14, BPIXELS ):
# Set Pixels to Orange Color
pixels[i] = ( 0, 250, 200 )
for i in range(APIXELS, BPIXELS):
# Set Pixels to Orange Color
pixels[i] = (0, 250, 200)
# This sends the updated pixel color to the hardware.
pixels.write()
# Delay for a period of time (in milliseconds).
time.sleep(delayval)
pixels.write()
# Delay for a period of time (in milliseconds).
time.sleep(delayval)
# Fill up 9 pixels with orange,
# Fill up 9 pixels with orange,
# starting from pixel number 84.
for i in range ( 84, CPIXELS ):
# Set Pixels to Orange Color
pixels[i] = ( 250, 50, 0 )
for i in range(BPIXELS, CPIXELS):
# Set Pixels to Orange Color
pixels[i] = (250, 50, 0)
# This sends the updated pixel color to the hardware.
pixels.write()
# Delay for a period of time (in milliseconds).
time.sleep(delayval)
pixels.write()
# Delay for a period of time (in milliseconds).
time.sleep(delayval)

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Introducing_Gemma_M0/Default Files/boot_out.txt → 3D_Printed_LED-Animation_BMO/.gemma.test
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3D_Printed_LED-Animation_BMO/.trinket.test Normal file
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// Trinket/Gemma + LED matrix backpack jewelry. Plays animated
// sequence on LED matrix. Press reset button to display again,
// or add optional momentary button between pin #1 and +V.
// THERE IS NO ANIMATION DATA IN THIS SOURCE FILE, you should
// rarely need to change anything here. EDIT anim.h INSTEAD.
#define BRIGHTNESS 12 // 0=min, 15=max
#define I2C_ADDR 0x70 // Edit if backpack A0/A1 jumpers set
#include <TinyWireM.h>
#include <avr/power.h>
#include <avr/sleep.h>
#include "bmo.h" // Animation data is located here
static const uint8_t PROGMEM reorder[] = { // Column-reordering table
0x00,0x40,0x20,0x60,0x10,0x50,0x30,0x70,0x08,0x48,0x28,0x68,0x18,0x58,0x38,0x78,
0x04,0x44,0x24,0x64,0x14,0x54,0x34,0x74,0x0c,0x4c,0x2c,0x6c,0x1c,0x5c,0x3c,0x7c,
0x02,0x42,0x22,0x62,0x12,0x52,0x32,0x72,0x0a,0x4a,0x2a,0x6a,0x1a,0x5a,0x3a,0x7a,
0x06,0x46,0x26,0x66,0x16,0x56,0x36,0x76,0x0e,0x4e,0x2e,0x6e,0x1e,0x5e,0x3e,0x7e,
0x01,0x41,0x21,0x61,0x11,0x51,0x31,0x71,0x09,0x49,0x29,0x69,0x19,0x59,0x39,0x79,
0x05,0x45,0x25,0x65,0x15,0x55,0x35,0x75,0x0d,0x4d,0x2d,0x6d,0x1d,0x5d,0x3d,0x7d,
0x03,0x43,0x23,0x63,0x13,0x53,0x33,0x73,0x0b,0x4b,0x2b,0x6b,0x1b,0x5b,0x3b,0x7b,
0x07,0x47,0x27,0x67,0x17,0x57,0x37,0x77,0x0f,0x4f,0x2f,0x6f,0x1f,0x5f,0x3f,0x7f,
0x80,0xc0,0xa0,0xe0,0x90,0xd0,0xb0,0xf0,0x88,0xc8,0xa8,0xe8,0x98,0xd8,0xb8,0xf8,
0x84,0xc4,0xa4,0xe4,0x94,0xd4,0xb4,0xf4,0x8c,0xcc,0xac,0xec,0x9c,0xdc,0xbc,0xfc,
0x82,0xc2,0xa2,0xe2,0x92,0xd2,0xb2,0xf2,0x8a,0xca,0xaa,0xea,0x9a,0xda,0xba,0xfa,
0x86,0xc6,0xa6,0xe6,0x96,0xd6,0xb6,0xf6,0x8e,0xce,0xae,0xee,0x9e,0xde,0xbe,0xfe,
0x81,0xc1,0xa1,0xe1,0x91,0xd1,0xb1,0xf1,0x89,0xc9,0xa9,0xe9,0x99,0xd9,0xb9,0xf9,
0x85,0xc5,0xa5,0xe5,0x95,0xd5,0xb5,0xf5,0x8d,0xcd,0xad,0xed,0x9d,0xdd,0xbd,0xfd,
0x83,0xc3,0xa3,0xe3,0x93,0xd3,0xb3,0xf3,0x8b,0xcb,0xab,0xeb,0x9b,0xdb,0xbb,0xfb,
0x87,0xc7,0xa7,0xe7,0x97,0xd7,0xb7,0xf7,0x8f,0xcf,0xaf,0xef,0x9f,0xdf,0xbf,0xff };
void ledCmd(uint8_t x) { // Issue command to LED backback driver
TinyWireM.beginTransmission(I2C_ADDR);
TinyWireM.write(x);
TinyWireM.endTransmission();
}
void clear(void) { // Clear display buffer
TinyWireM.beginTransmission(I2C_ADDR);
for(uint8_t i=0; i<17; i++) TinyWireM.write(0);
TinyWireM.endTransmission();
}
void setup() {
power_timer1_disable(); // Disable unused peripherals
power_adc_disable(); // to save power
PCMSK |= _BV(PCINT1); // Set change mask for pin 1
TinyWireM.begin(); // I2C init
clear(); // Blank display
ledCmd(0x21); // Turn on oscillator
ledCmd(0xE0 | BRIGHTNESS); // Set brightness
ledCmd(0x81); // Display on, no blink
}
uint8_t rep = REPS;
void loop() {
for(int i=0; i<sizeof(anim); i) { // For each frame...
TinyWireM.beginTransmission(I2C_ADDR);
TinyWireM.write(0); // Start address
for(uint8_t j=0; j<8; j++) { // 8 rows...
TinyWireM.write(pgm_read_byte(&reorder[pgm_read_byte(&anim[i++])]));
TinyWireM.write(0);
}
TinyWireM.endTransmission();
delay(pgm_read_byte(&anim[i++]) * 10);
}
if(!--rep) { // If last cycle...
ledCmd(0x20); // LED matrix in standby mode
GIMSK = _BV(PCIE); // Enable pin change interrupt
power_all_disable(); // All peripherals off
set_sleep_mode(SLEEP_MODE_PWR_DOWN);
sleep_enable();
sei(); // Keep interrupts disabled
sleep_mode(); // Power down CPU (pin 1 will wake)
// Execution resumes here on wake.
GIMSK = 0; // Disable pin change interrupt
rep = REPS; // Reset animation counter
power_timer0_enable(); // Re-enable timer
power_usi_enable(); // Re-enable USI
TinyWireM.begin(); // Re-init I2C
clear(); // Blank display
ledCmd(0x21); // Re-enable matrix
}
}
ISR(PCINT0_vect) {} // Button tap

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# Trinket/Gemma + LED matrix backpack jewelry. Plays animated
# sequence on LED matrix. Press reset button to display again.
import time
import adafruit_ht16k33.matrix
import board
import busio as io
import touchio
touch = touchio.TouchIn(board.D1)
i2c = io.I2C(board.SCL, board.SDA)
matrix = adafruit_ht16k33.matrix.Matrix8x8(i2c)
# pixels initializers
x_pix = y_pix = 8
x = y = 0
matrix.fill(0)
matrix.show()
# seconds to pause between frames
frame_delay = [.25, .25, .25, .25, .25, .25, .25, .25, .25, .25]
# counter for animation frames
frame_count = 0
# repeat entire animation multiple times
reps = 255
rep_count = reps
# animation bitmaps
animation = [
# frame 1
[[1, 1, 1, 1, 1, 1, 1, 1], [1, 0, 0, 1, 1, 0, 0, 1],
[1, 0, 0, 1, 1, 0, 0, 1], [1, 1, 1, 1, 1, 1, 1, 1],
[1, 0, 0, 0, 0, 0, 0, 1], [1, 1, 0, 0, 0, 0, 1, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1]],
# frame 2
[[1, 1, 1, 1, 1, 1, 1, 1], [1, 0, 0, 1, 1, 0, 0, 1],
[1, 0, 0, 1, 1, 0, 0, 1], [1, 1, 1, 1, 1, 1, 1, 1],
[1, 0, 1, 1, 1, 1, 0, 1], [1, 0, 1, 1, 1, 1, 0, 1],
[1, 1, 0, 0, 0, 0, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1]],
# frame 3
[[1, 1, 1, 1, 1, 1, 1, 1], [1, 0, 0, 1, 1, 0, 0, 1],
[1, 0, 0, 1, 1, 0, 0, 1], [1, 1, 1, 1, 1, 1, 1, 1],
[1, 0, 0, 0, 0, 0, 0, 1], [1, 1, 0, 0, 0, 0, 1, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1]],
# frame 4
[[1, 1, 1, 1, 1, 1, 1, 1], [1, 0, 0, 1, 1, 0, 0, 1],
[1, 0, 0, 1, 1, 0, 0, 1], [1, 1, 1, 1, 1, 1, 1, 1],
[1, 0, 1, 1, 1, 1, 0, 1], [1, 0, 1, 1, 1, 1, 0, 1],
[1, 1, 0, 0, 0, 0, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1]],
# frame 5
[[1, 1, 1, 1, 1, 1, 1, 1], [1, 0, 0, 1, 1, 0, 0, 1],
[1, 0, 0, 1, 1, 0, 0, 1], [1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1],
[1, 0, 0, 0, 0, 0, 0, 1], [1, 1, 1, 1, 1, 1, 1, 1]],
# frame 6
[[1, 1, 1, 1, 1, 1, 1, 1], [1, 0, 0, 1, 1, 0, 0, 1],
[1, 0, 0, 1, 1, 0, 0, 1], [1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 0, 1, 1, 0, 1, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1]],
# frame 7
[[1, 1, 1, 1, 1, 1, 1, 1], [1, 0, 1, 1, 1, 1, 0, 1],
[0, 0, 0, 1, 1, 0, 0, 0], [1, 0, 1, 1, 1, 1, 0, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 0, 1, 1, 0, 1, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1]],
# frame 8
[[1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1],
[0, 0, 0, 1, 1, 0, 0, 0], [1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 0, 1, 1, 0, 1, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1]],
# frame 9
[[1, 1, 1, 1, 1, 1, 1, 1], [1, 0, 1, 1, 1, 1, 0, 1],
[0, 0, 0, 1, 1, 0, 0, 0], [1, 0, 1, 1, 1, 1, 0, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 0, 1, 1, 0, 1, 1],
[1, 1, 1, 0, 0, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1]],
]
#
# run until we are out of animation frames
# use Gemma's built-in reset button or switch to restart
#
# populate matrix
while True:
if frame_count < len(animation) and rep_count >= 0:
for x in range(x_pix):
for y in range(y_pix):
matrix.pixel(x, y, animation[frame_count][x][y])
# next animation frame
frame_count += 1
# show animation
matrix.show()
# pause for effect
time.sleep(frame_delay[frame_count])
else:
matrix.fill(0)
matrix.show()
time.sleep(.1)
# track repitions
rep_count -= 1
# play it again
frame_count = 0
# A0/D1 pin has been touched
# reset animation
if touch.value:
frame_count = 0
rep_count = reps

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# 3D Printed LED-Animation BMO
Code to accompany this Adafruit tutorial:
https://learn.adafruit.com/3d-printed-led-animation-bmo/overview

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// Animation data for Trinket/Gemma + LED matrix backpack jewelry.
#define REPS 255 // Number of times to repeat the animation loop (1-255)
const uint8_t PROGMEM anim[] = {
B11111111, // 1 frame
B10011001,
B10011001,
B11111111,
B10000001,
B11000011,
B11100111,
B11111111,
25, // 0.25 second delay
B11111111, // 2 frame
B10011001,
B10011001,
B11111111,
B10111101,
B10111101,
B11000011,
B11111111,
25, // 0.25 second delay
B11111111, // 3 frame
B10011001,
B10011001,
B11111111,
B10000001,
B11000011,
B11100111,
B11111111,
25, // 0.25 second delay
B11111111, // 4 frame
B10011001,
B10011001,
B11111111,
B10111101,
B10111101,
B11000011,
B11111111,
25, // 0.25 second delay
B11111111, // 5 frame
B10011001,
B10011001,
B11111111,
B11111111,
B11111111,
B10000001,
B11111111,
25, // 0.25 second delay
B11111111, // 6 frame
B10011001,
B10011001,
B11111111,
B11100111,
B11011011,
B11100111,
B11111111,
25, // 0.25 second delay
B11111111, // 7 frame
B10111101,
B00011000,
B10111101,
B11100111,
B11011011,
B11100111,
B11111111,
25, // 0.25 second delay
B11111111, // 8 frame
B11111111,
B00011000,
B11111111,
B11100111,
B11011011,
B11100111,
B11111111,
25, // 0.25 second delay
B11111111, // 9 frame
B10111101,
B00011000,
B10111101,
B11100111,
B11011011,
B11100111,
B11111111,
25, // 0.25 second delay
};

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// Fiery demon horns (rawr!) for Adafruit Trinket/Gemma.
// Adafruit invests time and resources providing this open source code,
// please support Adafruit and open-source hardware by purchasing
// products from Adafruit!
#include <Adafruit_NeoPixel.h>
#include <avr/power.h>
#define N_HORNS 1
#define N_LEDS 30 // Per horn
#define PIN 0
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(N_HORNS * N_LEDS, PIN);
// /\ -> Fire-like effect is the sum of multiple triangle
// ____/ \____ waves in motion, with a 'warm' color map applied.
#define N_WAVES 6 // Number of simultaneous waves (per horn)
// Coordinate space for waves is 16x the pixel spacing,
// allowing fixed-point math to be used instead of floats.
struct {
int16_t lower; // Lower bound of wave
int16_t upper; // Upper bound of wave
int16_t mid; // Midpoint (peak) ((lower+upper)/2)
uint8_t vlower; // Velocity of lower bound
uint8_t vupper; // Velocity of upper bound
uint16_t intensity; // Brightness at peak
} wave[N_HORNS][N_WAVES];
long fade; // Decreases brightness as wave moves
// Gamma correction improves appearance of midrange colors
const uint8_t gamma[] PROGMEM = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2,
2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5,
5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10,
10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16,
17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25,
25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36,
37, 38, 39, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 50,
51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68,
69, 70, 72, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89,
90, 92, 93, 95, 96, 98, 99,101,102,104,105,107,109,110,112,114,
115,117,119,120,122,124,126,127,129,131,133,135,137,138,140,142,
144,146,148,150,152,154,156,158,160,162,164,167,169,171,173,175,
177,180,182,184,186,189,191,193,196,198,200,203,205,208,210,213,
215,218,220,223,225,228,231,233,236,239,241,244,247,249,252,255 };
static void random_wave(uint8_t h,uint8_t w) { // Randomize one wave struct
wave[h][w].upper = -1; // Always start just below head of strip
wave[h][w].lower = -16 * (3 + random(4)); // Lower end starts ~3-7 pixels back
wave[h][w].mid = (wave[h][w].lower + wave[h][w].upper) / 2;
wave[h][w].vlower = 3 + random(4); // Lower end moves at ~1/8 to 1/4 pixel/frame
wave[h][w].vupper = wave[h][w].vlower + random(4); // Upper end moves a bit faster, spreading wave
wave[h][w].intensity = 300 + random(600);
}
void setup() {
uint8_t h, w;
randomSeed(analogRead(1));
pixels.begin();
for(h=0; h<N_HORNS; h++) {
for(w=0; w<N_WAVES; w++) random_wave(h, w);
}
fade = 233 + N_LEDS / 2;
if(fade > 255) fade = 255;
// A ~100 Hz timer interrupt on Timer/Counter1 makes everything run
// at regular intervals, regardless of current amount of motion.
#if F_CPU == 16000000L
clock_prescale_set(clock_div_1);
TCCR1 = _BV(PWM1A) | _BV(CS13) | _BV(CS11) | _BV(CS10); // 1:1024 prescale
OCR1C = F_CPU / 1024 / 100 - 1;
#else
TCCR1 = _BV(PWM1A) | _BV(CS13) | _BV(CS11); // 1:512 prescale
OCR1C = F_CPU / 512 / 100 - 1;
#endif
GTCCR = 0; // No PWM out
TIMSK |= _BV(TOIE1); // Enable overflow interrupt
}
void loop() { } // Not used -- everything's in interrupt below
ISR(TIMER1_OVF_vect) {
uint8_t h, w, i, r, g, b;
int16_t x;
uint16_t sum;
for(h=0; h<N_HORNS; h++) { // For each horn...
for(x=7, i=0; i<N_LEDS; i++, x+=16) { // For each LED along horn...
for(sum=w=0; w<N_WAVES; w++) { // For each wave of horn...
if((x < wave[h][w].lower) || (x > wave[h][w].upper)) continue; // Out of range
if(x <= wave[h][w].mid) { // Lower half of wave (ramping up to peak brightness)
sum += wave[h][w].intensity * (x - wave[h][w].lower) / (wave[h][w].mid - wave[h][w].lower);
} else { // Upper half of wave (ramping down from peak)
sum += wave[h][w].intensity * (wave[h][w].upper - x) / (wave[h][w].upper - wave[h][w].mid);
}
}
// Now the magnitude (sum) is remapped to color for the LEDs.
// A blackbody palette is used - fades white-yellow-red-black.
if(sum < 255) { // 0-254 = black to red-1
r = pgm_read_byte(&gamma[sum]);
g = b = 0;
} else if(sum < 510) { // 255-509 = red to yellow-1
r = 255;
g = pgm_read_byte(&gamma[sum - 255]);
b = 0;
} else if(sum < 765) { // 510-764 = yellow to white-1
r = g = 255;
b = pgm_read_byte(&gamma[sum - 510]);
} else { // 765+ = white
r = g = b = 255;
}
pixels.setPixelColor(h * N_LEDS + i, r, g, b);
}
for(w=0; w<N_WAVES; w++) { // Update wave positions for each horn
wave[h][w].lower += wave[h][w].vlower; // Advance lower position
if(wave[h][w].lower >= (N_LEDS * 16)) { // Off end of strip?
random_wave(h, w); // Yes, 'reboot' wave
} else { // No, adjust other values...
wave[h][w].upper += wave[h][w].vupper;
wave[h][w].mid = (wave[h][w].lower + wave[h][w].upper) / 2;
wave[h][w].intensity = (wave[h][w].intensity * fade) / 256; // Dimmer
}
}
}
pixels.show();
}

147
3D_Printed_LED_Fire_Horns/3D_Printed_LED_Fire_Horns.py Normal file
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@ -0,0 +1,147 @@
# Fiery demon horns (rawr!) for Adafruit Trinket/Gemma.
# Adafruit invests time and resources providing this open source code,
# please support Adafruit and open-source hardware by purchasing
# products from Adafruit!
import board
import neopixel
from analogio import AnalogIn
# pylint: disable=global-statement
try:
import urandom as random
except ImportError:
import random
# /\ -> Fire-like effect is the sum_total of multiple triangle
# ____/ \____ waves in motion, with a 'warm' color map applied.
n_horns = 1 # number of horns
led_pin = board.D0 # which pin your pixels are connected to
n_leds = 30 # number of LEDs per horn
frames_per_second = 50 # animation frames per second
brightness = 0 # current wave height
fade = 0 # Decreases brightness as wave moves
pixels = neopixel.NeoPixel(led_pin, n_leds, brightness=1, auto_write=False)
offset = 0
# Coordinate space for waves is 16x the pixel spacing,
# allowing fixed-point math to be used instead of floats.
lower = 0 # lower bound of wave
upper = 1 # upper bound of wave
mid = 2 # midpoint (peak) ((lower+upper)/2)
vlower = 3 # velocity of lower bound
vupper = 4 # velocity of upper bound
intensity = 5 # brightness at peak
y = 0
brightness = 0
count = 0
# initialize 3D list
wave = [[0] * 6] * 6, [[0] * 6] * 6, [[0] * 6] * 6, [[0] * 6] * 6, [[0] * 6] * 6, [[0] * 6] * 6
# Number of simultaneous waves (per horn)
n_waves = len(wave)
# Gamma-correction table
gamma = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2,
2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5,
5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10,
10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16,
17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25,
25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36,
37, 38, 39, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 50,
51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68,
69, 70, 72, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89,
90, 92, 93, 95, 96, 98, 99, 101, 102, 104, 105, 107, 109, 110,
112, 114, 115, 117, 119, 120, 122, 124, 126, 127, 129, 131, 133,
135, 137, 138, 140, 142, 144, 146, 148, 150, 152, 154, 156, 158,
160, 162, 164, 167, 169, 171, 173, 175, 177, 180, 182, 184, 186,
189, 191, 193, 196, 198, 200, 203, 205, 208, 210, 213, 215, 218,
220, 223, 225, 228, 231, 233, 236, 239, 241, 244, 247, 249, 252,
255
]
def random_wave(he, wi):
wave[he][wi][upper] = -1 # Always start below head of strip
wave[he][wi][lower] = -16 * (3 + random.randint(0,4)) # Lower end starts ~3-7 pixels back
wave[he][wi][mid] = (wave[he][wi][lower]+ wave[he][wi][upper]) / 2
wave[he][wi][vlower] = 3 + random.randint(0,4) # Lower end moves at ~1/8 to 1/pixels
wave[he][wi][vupper] = wave[he][wi][vlower]+ random.randint(0,4) # Upper end moves a bit faster
wave[he][wi][intensity] = 300 + random.randint(0,600)
def setup():
global fade
# Random number generator is seeded from an unused 'floating'
# analog input - this helps ensure the random color choices
# aren't always the same order.
pin = AnalogIn(board.A0)
random.seed(pin.value)
pin.deinit()
for he in range(n_horns):
for wi in range(n_waves):
random_wave(he, wi)
fade = 233 + n_leds / 2
if fade > 233:
fade = 233
setup()
while True:
h = w = i = r = g = b = 0
x = 0
for h in range(n_horns): # For each horn...
x = 7
sum_total = 0
for i in range(n_leds): # For each LED along horn...
x += 16
for w in range(n_waves): # For each wave of horn...
if (x < wave[h][w][lower]) or (x > wave[h][w][upper]):
continue # Out of range
if x <= wave[h][w][mid]: # Lower half of wave (ramping up peak brightness)
sum_top = wave[h][w][intensity] * (x - wave[h][w][lower])
sum_bottom = (wave[h][w][mid] - wave[h][w][lower])
sum_total += sum_top / sum_bottom
else: # Upper half of wave (ramping down from peak)
sum_top = wave[h][w][intensity] * (wave[h][w][upper] - x)
sum_bottom = (wave[h][w][upper] - wave[h][w][mid])
sum_total += sum_top / sum_bottom
sum_total = int(sum_total) # convert from decimal to whole number
# Now the magnitude (sum_total) is remapped to color for the LEDs.
# A blackbody palette is used - fades white-yellow-red-black.
if sum_total < 255: # 0-254 = black to red-1
r = gamma[sum_total]
g = b = 0
elif sum_total < 510: # 255-509 = red to yellow-1
r = 255
g = gamma[sum_total - 255]
b = 0
elif sum_total < 765: # 510-764 = yellow to white-1
r = g = 255
b = gamma[sum_total - 510]
else: # 765+ = white
r = g = b = 255
pixels[i] = (r, g, b)
for w in range(n_waves): # Update wave positions for each horn
wave[h][w][lower] += wave[h][w][vlower] # Advance lower position
if wave[h][w][lower] >= (n_leds * 16): # Off end of strip?
random_wave(h, w) # Yes, 'reboot' wave
else: # No, adjust other values...
wave[h][w][upper] += wave[h][w][vupper]
wave[h][w][mid] = (wave[h][w][lower] + wave[h][w][upper]) / 2
wave[h][w][intensity] = (wave[h][w][intensity] * fade) / 256 # Dimmer
pixels.show()

4
3D_Printed_LED_Fire_Horns/README.md Normal file
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@ -0,0 +1,4 @@
# 3D Printed LED Fire Horns
Code to accompany this tutorial:
https://learn.adafruit.com/3d-printed-led-fire-horns/fire-code

0
3D_Printed_LED_Microphone_Flag/.uno.test Normal file
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133
3D_Printed_LED_Microphone_Flag/3D_Printed_LED_Microphone_Flag.py
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@ -27,42 +27,46 @@
# Modified fromhere code by Greg Shakar
# Ported to Circuit Python by Mikey Sklar
import time
import board
import neopixel
import time
from analogio import AnalogIn
import array
n_pixels = 16 # Number of pixels you are using
mic_pin = AnalogIn(board.A1) # Microphone is attached to this analog pin
led_pin = board.D1 # NeoPixel LED strand is connected to this pin
sample_window = .1 # Sample window for average level
peak_hang = 24 # Time of pause before peak dot falls
peak_fall = 4 # Rate of falling peak dot
input_floor = 10 # Lower range of analogRead input
input_ceiling = 300 # Max range of analogRead input, the lower the value the more sensitive (1023 = max)
n_pixels = 16 # Number of pixels you are using
mic_pin = AnalogIn(board.A1) # Microphone is attached to this analog pin
led_pin = board.D1 # NeoPixel LED strand is connected to this pin
sample_window = .1 # Sample window for average level
peak_hang = 24 # Time of pause before peak dot falls
peak_fall = 4 # Rate of falling peak dot
input_floor = 10 # Lower range of analogRead input
# Max range of analogRead input, the lower the value the more sensitive
# (1023 = max)
input_ceiling = 300
peak = 16 # Peak level of column; used for falling dots
peak = 16 # Peak level of column; used for falling dots
sample = 0
dotcount = 0 # Frame counter for peak dot
dothangcount = 0 # Frame counter for holding peak dot
dotcount = 0 # Frame counter for peak dot
dothangcount = 0 # Frame counter for holding peak dot
strip = neopixel.NeoPixel(led_pin, n_pixels, brightness=1, auto_write=False)
def wheel(pos):
# Input a value 0 to 255 to get a color value.
# The colours are a transition r - g - b - back to r.
if (pos < 0) or (pos > 255):
if pos < 0 or pos > 255:
return (0, 0, 0)
if (pos < 85):
return (int(pos * 3), int(255 - (pos*3)), 0)
elif (pos < 170):
if pos < 85:
return (int(pos * 3), int(255 - (pos * 3)), 0)
elif pos < 170:
pos -= 85
return (int(255 - pos*3), 0, int(pos*3))
return (int(255 - pos * 3), 0, int(pos * 3))
else:
pos -= 170
return (0, int(pos*3), int(255 - pos*3))
return (0, int(pos * 3), int(255 - pos * 3))
def remapRange(value, leftMin, leftMax, rightMin, rightMax):
# this remaps a value fromhere original (left) range to new (right) range
@ -76,91 +80,89 @@ def remapRange(value, leftMin, leftMax, rightMin, rightMax):
# Convert the 0-1 range into a value in the right range.
return int(rightMin + (valueScaled * rightSpan))
def fscale(originalmin, originalmax, newbegin, newend, inputvalue, curve):
originalrange = 0
newrange = 0
zerorefcurval = 0
normalizedcurval = 0
rangedvalue = 0
invflag = 0
# condition curve parameter
# limit range
if (curve > 10):
if curve > 10:
curve = 10
if (curve < -10):
if curve < -10:
curve = -10
# - invert and scale -
# this seems more intuitive
# - invert and scale -
# this seems more intuitive
# postive numbers give more weight to high end on output
curve = (curve * -.1)
curve = pow(10, curve) # convert linear scale into lograthimic exponent for other pow function
curve = (curve * -.1)
# convert linear scale into lograthimic exponent for other pow function
curve = pow(10, curve)
# Check for out of range inputValues
if (inputvalue < originalmin):
if inputvalue < originalmin:
inputvalue = originalmin
if (inputvalue > originalmax):
if inputvalue > originalmax:
inputvalue = originalmax
# Zero Refference the values
originalrange = originalmax - originalmin
if (newend > newbegin):
if newend > newbegin:
newrange = newend - newbegin
else:
newrange = newbegin - newend
invflag = 1
zerorefcurval = inputvalue - originalmin
normalizedcurval = zerorefcurval / originalrange # normalize to 0 - 1 float
# normalize to 0 - 1 float
normalizedcurval = zerorefcurval / originalrange
# Check for originalMin > originalMax
# -the math for all other cases
# Check for originalMin > originalMax
# -the math for all other cases
# i.e. negative numbers seems to work out fine
if (originalmin > originalmax ):
return(0)
if originalmin > originalmax:
return 0
if (invflag == 0):
rangedvalue = (pow(normalizedcurval, curve) * newrange) + newbegin
else: # invert the ranges
rangedvalue = newbegin - (pow(normalizedcurval, curve) * newrange);
if invflag == 0:
rangedvalue = (pow(normalizedcurval, curve) * newrange) + newbegin
else: # invert the ranges
rangedvalue = newbegin - (pow(normalizedcurval, curve) * newrange)
return rangedvalue
return(rangedvalue)
def drawLine(fromhere, to):
fromheretemp = 0
if (fromhere > to):
if fromhere > to:
fromheretemp = fromhere
fromhere = to
to = fromheretemp
for i in range(fromhere, to):
strip[i] = (0,0,0)
for index in range(fromhere, to):
strip[index] = (0, 0, 0)
while True:
time_start = time.monotonic() # current time used for sample window
peaktopeak = 0 # peak-to-peak level
time_start = time.monotonic() # current time used for sample window
peaktopeak = 0 # peak-to-peak level
signalmax = 0
signalmin = 1023
signalmin = 1023
c = 0
y = 0
# collect data for length of sample window (in seconds)
while ( ( time.monotonic() - time_start ) < sample_window):
while (time.monotonic() - time_start) < sample_window:
sample = mic_pin.value / 64 # convert to arduino 10-bit [1024] fromhere 16-bit [65536]
# convert to arduino 10-bit [1024] fromhere 16-bit [65536]
sample = mic_pin.value / 64
if (sample < 1024): # toss out spurious readings
if sample < 1024: # toss out spurious readings
if (sample > signalmax):
signalmax = sample # save just the max levels
elif (sample < signalmin):
signalmin = sample # save just the min levels
if sample > signalmax:
signalmax = sample # save just the max levels
elif sample < signalmin:
signalmin = sample # save just the min levels
peaktopeak = signalmax - signalmin # max - min = peak-peak amplitude
@ -171,11 +173,11 @@ while True:
# Scale the input logarithmically instead of linearly
c = fscale(input_floor, input_ceiling, (n_pixels - 1), 0, peaktopeak, 2)
if (c < peak):
peak = c # keep dot on top
dothangcount = 0 # make the dot hang before falling
if c < peak:
peak = c # keep dot on top
dothangcount = 0 # make the dot hang before falling
if (c <= n_pixels): # fill partial column with off pixels
if c <= n_pixels: # fill partial column with off pixels
drawLine(n_pixels, n_pixels - int(c))
# Set the peak dot to match the rainbow gradient
@ -184,8 +186,9 @@ while True:
strip.write()
# Frame based peak dot animation
if(dothangcount > peak_hang): # Peak pause length
if(++dotcount >= peak_fall): # Fall rate
if dothangcount > peak_hang: # Peak pause length
dotcount += 1
if dotcount >= peak_fall: # Fall rate
peak += 1
dotcount = 0
else:

0
3D_Printed_NeoPixel_Gas_Mask/.gemma.test Normal file
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89
3D_Printed_NeoPixel_Gas_Mask/3D_Printed_NeoPixel_Gas_Mask.py
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@ -1,55 +1,58 @@
import time
import board
import neopixel
import time
try:
import urandom as random # for v1.0 API support
import urandom as random # for v1.0 API support
except ImportError:
import random
import random
numpix = 24 # Number of NeoPixels
numpix = 24 # Number of NeoPixels
pixpin = board.D0 # Pin where NeoPixels are connected
strip = neopixel.NeoPixel(pixpin, numpix, brightness=0.3)
strip = neopixel.NeoPixel(pixpin, numpix, brightness=0.3)
mode = 0 # Current animation effect
offset = 0 # Position of spinner animation
color = [255, 0, 0] # RGB color - red
mode = 0 # Current animation effect
offset = 0 # Position of spinner animation
color = [255, 0, 0] # RGB color - red
prevtime = time.monotonic() # Time of last animation mode switch
while True: # Loop forever...
if mode == 0: # Random sparkles - lights just one LED at a time
i = random.randint(0, numpix - 1) # Choose random pixel
strip[i] = color # Set it to current color
strip.write() # Refresh LED states
# Set same pixel to "off" color now but DON'T refresh...
# it stays on for now...bot this and the next random
# pixel will be refreshed on the next pass.
strip[i] = [0,0,0]
time.sleep(0.008) # 8 millisecond delay
elif mode == 1: # Spinny wheels
# A little trick here: pixels are processed in groups of 8
# (with 2 of 8 on at a time), NeoPixel rings are 24 pixels
# (8*3) and 16 pixels (8*2), so we can issue the same data
# to both rings and it appears correct and contiguous
# (also, the pixel order is different between the two ring
# types, so we get the reversed motion on #2 for free).
for i in range(numpix): # For each LED...
if ((offset + i) & 7) < 2: # 2 pixels out of 8...
strip[i] = color # are set to current color
else:
strip[i] = [0,0,0] # other pixels are off
strip.write() # Refresh LED states
time.sleep(0.04) # 40 millisecond delay
offset += 1 # Shift animation by 1 pixel on next frame
if offset >= 8: offset = 0
# Additional animation modes could be added here!
if mode == 0: # Random sparkles - lights just one LED at a time
i = random.randint(0, numpix - 1) # Choose random pixel
strip[i] = color # Set it to current color
strip.write() # Refresh LED states
# Set same pixel to "off" color now but DON'T refresh...
# it stays on for now...bot this and the next random
# pixel will be refreshed on the next pass.
strip[i] = [0, 0, 0]
time.sleep(0.008) # 8 millisecond delay
elif mode == 1: # Spinny wheels
# A little trick here: pixels are processed in groups of 8
# (with 2 of 8 on at a time), NeoPixel rings are 24 pixels
# (8*3) and 16 pixels (8*2), so we can issue the same data
# to both rings and it appears correct and contiguous
# (also, the pixel order is different between the two ring
# types, so we get the reversed motion on #2 for free).
for i in range(numpix): # For each LED...
if ((offset + i) & 7) < 2: # 2 pixels out of 8...
strip[i] = color # are set to current color
else:
strip[i] = [0, 0, 0] # other pixels are off
strip.write() # Refresh LED states
time.sleep(0.04) # 40 millisecond delay
offset += 1 # Shift animation by 1 pixel on next frame
if offset >= 8:
offset = 0
# Additional animation modes could be added here!
t = time.monotonic() # Current time in seconds
if (t - prevtime) >= 8: # Every 8 seconds...
mode += 1 # Advance to next mode
if mode > 1: # End of modes?
mode = 0 # Start over from beginning
# Rotate color R->G->B
color = [ color[2], color[0], color[1] ]
strip.fill([0,0,0]) # Turn off all pixels
prevtime = t # Record time of last mode change
t = time.monotonic() # Current time in seconds
if (t - prevtime) >= 8: # Every 8 seconds...
mode += 1 # Advance to next mode
if mode > 1: # End of modes?
mode = 0 # Start over from beginning
# Rotate color R->G->B
color = [color[2], color[0], color[1]]
strip.fill([0, 0, 0]) # Turn off all pixels
prevtime = t # Record time of last mode change

0
3D_Printed_NeoPixel_Ring_Hair_Dress/.gemma.test Normal file
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277
3D_Printed_NeoPixel_Ring_Hair_Dress/3D_Printed_NeoPixel_Ring_Hair_Dress.py
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@ -1,56 +1,62 @@
#
# 3D_Printed_NeoPixel_Ring_Hair_Dress.py
#
# this was ported to CircuitPython from the 'Gemma Hoop Animator'
# this was ported to CircuitPython from the 'Gemma Hoop Animator'
#
# https://github.com/HerrRausB/GemmaHoopAnimator
#
# unless you # don't like the preset animations or find a
# unless you # don't like the preset animations or find a
# major bug, you don't need tochange anything here
#
import time
import board
import neopixel
import time
try:
import urandom as random # for v1.0 API support
import urandom as random # for v1.0 API support
except ImportError:
import random
import random
from analogio import AnalogIn
# available actions
ACT_NOP = 0x00 # all leds off, do nothing
ACT_SIMPLE_RING = 0x01 # all leds on
ACT_CYCLING_RING_ACLK = 0x02 # anti clockwise cycling colors
ACT_CYCLING_RING_CLKW = 0x04 # clockwise cycling colors
ACT_WHEEL_ACLK = 0x08 # anti clockwise spinning wheel
ACT_WHEEL_CLKW = 0x10 # clockwise spinning wheel
ACT_SPARKLING_RING = 0x20 # sparkling effect
ACT_NOP = 0x00 # all leds off, do nothing
ACT_SIMPLE_RING = 0x01 # all leds on
ACT_CYCLING_RING_ACLK = 0x02 # anti clockwise cycling colors
ACT_CYCLING_RING_CLKW = 0x04 # clockwise cycling colors
ACT_WHEEL_ACLK = 0x08 # anti clockwise spinning wheel
ACT_WHEEL_CLKW = 0x10 # clockwise spinning wheel
ACT_SPARKLING_RING = 0x20 # sparkling effect
numpix = 16 # total number of NeoPixels
pixel_output = board.D0 # pin where NeoPixels are connected
analog_input = board.A0 # needed to seed the random generator
strip = neopixel.NeoPixel(pixel_output, numpix, brightness=.3, auto_write=False)
numpix = 16 # total number of NeoPixels
pixel_output = board.D0 # pin where NeoPixels are connected
analog_input = board.A0 # needed to seed the random generator
strip = neopixel.NeoPixel(pixel_output, numpix,
brightness=.3, auto_write=False)
# available color generation methods
COL_RANDOM = 0x40 # colors will be generated randomly
COL_SPECTRUM = 0x80 # colors will be set as cyclic spectral wipe
COL_RANDOM = 0x40 # colors will be generated randomly
COL_SPECTRUM = 0x80 # colors will be set as cyclic spectral wipe
# specifiyng the action list
action_duration = 0 # the action's overall duration in milliseconds (be careful not
# to use values > 2^16-1 - roughly one minute :-)
# the action's overall duration in milliseconds (be careful not
action_duration = 0
# to use values > 2^16-1 - roughly one minute :-)
action_and_color_gen = 1 # the color generation method
action_and_color_gen = 1 # the color generation method
action_step_duration = 2 # the duration of each action step rsp. the delay of the main
# loop in milliseconds - thus, controls the action speed (be
# careful not to use values > 2^16-1 - roughly one minute :-)
# the duration of each action step rsp. the delay of the main
action_step_duration = 2
# loop in milliseconds - thus, controls the action speed (be
# careful not to use values > 2^16-1 - roughly one minute :-)
color_granularity = 3 # controls the increment of the R, G, and B portions of the
# rsp. color. 1 means the increment is 0,1,2,3,..., 10 means
# the increment is 0,10,20,... don't use values > 255, and note
# that even values > 127 wouldn't make much sense...
color_granularity = 3 # controls the increment of the R, G, and B
# portions of the rsp. color. 1 means the increment is 0,1,2,3,...,
# 10 means the increment is 0,10,20,... don't use values > 255, and
# note that even values > 127 wouldn't make much sense...
color_interval = 4 # controls the speed of color changing independently from action
# controls the speed of color changing independently from action
color_interval = 4
# general global variables
color = 0
@ -65,7 +71,7 @@ curr_action = 0
curr_color_gen = COL_RANDOM
idx = 0
offset = 0
number_of_actions = 31
number_of_actions = 31
curr_action_idx = 0
curr_color_granularity = 1
spectrum_part = 0
@ -74,111 +80,139 @@ spectrum_part = 0
# this array variable must be called theactionlist !!!
#
# valid actions are:
# ACT_NOP simply do nothing and switch everything off
# ACT_SIMPLE_RING all leds on
# ACT_CYCLING_RING_ACLK anti clockwise cycling colors
# ACT_CYCLING_RING_CLKW clockwise cycling colors acording
# ACT_WHEEL_ACLK anti clockwise spinning wheel
# ACT_WHEEL_CLKW clockwise spinning wheel
# ACT_SPARKLING_RING sparkling effect
#
# ACT_NOP simply do nothing and switch everything off
# ACT_SIMPLE_RING all leds on
# ACT_CYCLING_RING_ACLK anti clockwise cycling colors
# ACT_CYCLING_RING_CLKW clockwise cycling colors acording
# ACT_WHEEL_ACLK anti clockwise spinning wheel
# ACT_WHEEL_CLKW clockwise spinning wheel
# ACT_SPARKLING_RING sparkling effect
#
# valid color options are:
# COL_RANDOM colors will be selected randomly, which might
# be not very sufficient due to well known
# limitations of the random generation algorithm
# COL_SPECTRUM colors will be set as cyclic spectral wipe
# R -> G -> B -> R -> G -> B -> R -> ...
# COL_RANDOM colors will be selected randomly, which might
# be not very sufficient due to well known
# limitations of the random generation algorithm
# COL_SPECTRUM colors will be set as cyclic spectral wipe
# R -> G -> B -> R -> G -> B -> R -> ...
# action action name & action step color color change
# duration color generation method duration granularity interval
# action action name & action step color color change
# duration color generation method duration granularity interval
theactionlist = [
[ 5, ACT_SPARKLING_RING | COL_RANDOM, 0.01, 25, 1 ],
[ 2, ACT_CYCLING_RING_CLKW | COL_RANDOM, 0.02, 1, 0.005 ],
[ 5, ACT_SPARKLING_RING | COL_RANDOM, 0.01, 25, 1 ],
[ 2, ACT_CYCLING_RING_ACLK | COL_RANDOM, 0.02, 1, 0.005 ],
[ 5, ACT_SPARKLING_RING | COL_RANDOM, 0.01, 25, 1 ],
[ 2.5, ACT_CYCLING_RING_CLKW | COL_SPECTRUM, 0.25, 20, 0.020 ],
[ 1, ACT_CYCLING_RING_CLKW | COL_SPECTRUM, 0.50, 1, 0.020 ],
[ .750, ACT_CYCLING_RING_CLKW | COL_SPECTRUM, 0.075, 1, 0.020 ],
[ .500, ACT_CYCLING_RING_CLKW | COL_SPECTRUM, 0.100, 1, 0.020 ],
[ .500, ACT_CYCLING_RING_CLKW | COL_SPECTRUM, 0.125, 1, 0.020 ],
[ .500, ACT_CYCLING_RING_CLKW | COL_SPECTRUM, 0.150, 1, 0.050 ],
[ .500, ACT_CYCLING_RING_CLKW | COL_SPECTRUM, 0.175, 1, 0.100 ],
[ .500, ACT_CYCLING_RING_CLKW | COL_SPECTRUM, 0.200, 1, 0.200 ],
[ .750, ACT_CYCLING_RING_CLKW | COL_SPECTRUM, 0.225, 1, 0.250 ],
[ 1, ACT_CYCLING_RING_CLKW | COL_SPECTRUM, 0.250, 1, 0.350 ],
[ 30, ACT_SIMPLE_RING | COL_SPECTRUM, 0.050, 1, 0.010 ],
[ 2.5, ACT_WHEEL_ACLK | COL_SPECTRUM, 0.010, 1, 0.010 ],
[ 2.5, ACT_WHEEL_ACLK | COL_SPECTRUM, 0.015, 1, 0.020 ],
[ 2, ACT_WHEEL_ACLK | COL_SPECTRUM, 0.025, 1, 0.030 ],
[ 1, ACT_WHEEL_ACLK | COL_SPECTRUM, 0.050, 1, 0.040 ],
[ 1, ACT_WHEEL_ACLK | COL_SPECTRUM, 0.075, 1, 0.040 ],
[ 1, ACT_WHEEL_ACLK | COL_SPECTRUM, 0.100, 1, 0.050 ],
[ .500, ACT_WHEEL_ACLK | COL_SPECTRUM, 0.125, 1, 0.060 ],
[ .500, ACT_WHEEL_CLKW | COL_SPECTRUM, 0.125, 5, 0.050 ],
[ 1, ACT_WHEEL_CLKW | COL_SPECTRUM, 0.100, 10, 0.040 ],
[ 1.5, ACT_WHEEL_CLKW | COL_SPECTRUM, 0.075, 15, 0.030 ],
[ 2, ACT_WHEEL_CLKW | COL_SPECTRUM, 0.050, 20, 0.020 ],
[ 2.5, ACT_WHEEL_CLKW | COL_SPECTRUM, 0.025, 25, 0.010 ],
[ 3, ACT_WHEEL_CLKW | COL_SPECTRUM, 0.010, 30, 0.005 ],
[ 5, ACT_SPARKLING_RING | COL_RANDOM, 0.010, 25, 1 ],
[ 5, ACT_NOP, 0, 0, 0 ]
[5, ACT_SPARKLING_RING | COL_RANDOM, 0.01, 25, 1],
[2, ACT_CYCLING_RING_CLKW | COL_RANDOM,
0.02, 1, 0.005],
[5, ACT_SPARKLING_RING | COL_RANDOM, 0.01, 25, 1],
[2, ACT_CYCLING_RING_ACLK | COL_RANDOM,
0.02, 1, 0.005],
[5, ACT_SPARKLING_RING | COL_RANDOM, 0.01, 25, 1],
[2.5, ACT_CYCLING_RING_CLKW | COL_SPECTRUM,
0.25, 20, 0.020],
[1, ACT_CYCLING_RING_CLKW | COL_SPECTRUM,
0.50, 1, 0.020],
[.750, ACT_CYCLING_RING_CLKW | COL_SPECTRUM,
0.075, 1, 0.020],
[.500, ACT_CYCLING_RING_CLKW | COL_SPECTRUM,
0.100, 1, 0.020],
[.500, ACT_CYCLING_RING_CLKW | COL_SPECTRUM,
0.125, 1, 0.020],
[.500, ACT_CYCLING_RING_CLKW | COL_SPECTRUM,
0.150, 1, 0.050],
[.500, ACT_CYCLING_RING_CLKW | COL_SPECTRUM,
0.175, 1, 0.100],
[.500, ACT_CYCLING_RING_CLKW | COL_SPECTRUM,
0.200, 1, 0.200],
[.750, ACT_CYCLING_RING_CLKW | COL_SPECTRUM,
0.225, 1, 0.250],
[1, ACT_CYCLING_RING_CLKW | COL_SPECTRUM,
0.250, 1, 0.350],
[30, ACT_SIMPLE_RING | COL_SPECTRUM,
0.050, 1, 0.010],
[2.5, ACT_WHEEL_ACLK | COL_SPECTRUM,
0.010, 1, 0.010],
[2.5, ACT_WHEEL_ACLK | COL_SPECTRUM,
0.015, 1, 0.020],
[2, ACT_WHEEL_ACLK | COL_SPECTRUM,
0.025, 1, 0.030],
[1, ACT_WHEEL_ACLK | COL_SPECTRUM,
0.050, 1, 0.040],
[1, ACT_WHEEL_ACLK | COL_SPECTRUM,
0.075, 1, 0.040],
[1, ACT_WHEEL_ACLK | COL_SPECTRUM,
0.100, 1, 0.050],
[.500, ACT_WHEEL_ACLK | COL_SPECTRUM,
0.125, 1, 0.060],
[.500, ACT_WHEEL_CLKW | COL_SPECTRUM,
0.125, 5, 0.050],
[1, ACT_WHEEL_CLKW | COL_SPECTRUM,
0.100, 10, 0.040],
[1.5, ACT_WHEEL_CLKW | COL_SPECTRUM,
0.075, 15, 0.030],
[2, ACT_WHEEL_CLKW | COL_SPECTRUM,
0.050, 20, 0.020],
[2.5, ACT_WHEEL_CLKW | COL_SPECTRUM,
0.025, 25, 0.010],
[3, ACT_WHEEL_CLKW | COL_SPECTRUM,
0.010, 30, 0.005],
[5, ACT_SPARKLING_RING | COL_RANDOM, 0.010, 25, 1],
[5, ACT_NOP, 0, 0, 0]
]
# pylint: disable=global-statement
def nextspectrumcolor():
global spectrum_part, color_idx, curr_color_granularity, color
# spectral wipe from green to red
if (spectrum_part == 2):
if spectrum_part == 2:
color = (color_idx, 0, 255-color_idx)
color_idx += curr_color_granularity
if (color_idx > 255):
if color_idx > 255:
spectrum_part = 0
color_idx = 0
# spectral wipe from blue to green
elif (spectrum_part == 1):
elif spectrum_part == 1:
color = (0, 255 - color_idx, color_idx)
color_idx += curr_color_granularity
if (color_idx > 255):
if color_idx > 255:
spectrum_part = 2
color_idx = 0
# spectral wipe from red to blue
elif (spectrum_part == 0 ):
elif spectrum_part == 0:
color = (255 - color_idx, color_idx, 0)
color_idx += curr_color_granularity
if (color_idx > 255):
if color_idx > 255:
spectrum_part = 1
color_idx = 0
def nextrandomcolor():
global color
# granularity = 1 --> [0 .. 255] * 1 --> 0,1,2,3 ... 255
# granularity = 10 --> [0 .. 25] * 10 --> 0,10,20,30 ... 250
# granularity = 100 --> [0 .. 2] * 100 --> 0,100, 200 (boaring...)
random_red = random.randint(0, int (256 / curr_color_granularity))
random_red = random.randint(0, int(256 / curr_color_granularity))
random_red *= curr_color_granularity
random_green = random.randint(0, int (256 / curr_color_granularity))
random_green = random.randint(0, int(256 / curr_color_granularity))
random_green *= curr_color_granularity
random_blue = random.randint(0, int (256 / curr_color_granularity))
random_blue = random.randint(0, int(256 / curr_color_granularity))
random_blue *= curr_color_granularity
color = (random_red, random_green, random_blue)
def nextcolor():
# save some RAM for more animation actions
if (curr_color_gen & COL_RANDOM):
nextrandomcolor()
else:
if curr_color_gen & COL_RANDOM:
nextrandomcolor()
else:
nextspectrumcolor()
def setup():
def setup():
# fingers corssed, the seeding makes sense to really get random colors...
apin = AnalogIn(analog_input)
random.seed(apin.value)
@ -187,53 +221,58 @@ def setup():
# let's go!
nextcolor()
strip.write()
setup()
while True: # Loop forever...
# do we need to load the next action?
if ( (time.monotonic() - action_timer) > curr_action_duration ):
curr_action_duration = theactionlist[curr_action_idx][action_duration]
curr_action = theactionlist[curr_action_idx][action_and_color_gen] & 0x3F
curr_action_step_duration = theactionlist[curr_action_idx][action_step_duration]
curr_color_gen = theactionlist[curr_action_idx][action_and_color_gen] & 0xC0
curr_color_granularity = theactionlist[curr_action_idx][color_granularity]
curr_color_interval = theactionlist[curr_action_idx][color_interval]
if (time.monotonic() - action_timer) > curr_action_duration:
current_action = theactionlist[curr_action_idx]
curr_action_duration = current_action[action_duration]
curr_action = current_action[action_and_color_gen] & 0x3F
curr_action_step_duration = current_action[action_step_duration]
curr_color_gen = current_action[action_and_color_gen] & 0xC0
curr_color_granularity = current_action[color_granularity]
curr_color_interval = current_action[color_interval]
curr_action_idx += 1
# take care to rotate the action list!
curr_action_idx %= number_of_actions
action_timer = time.monotonic()
action_timer = time.monotonic()
# do we need to change to the next color?
if ((time.monotonic() - color_timer) > curr_color_interval):
if (time.monotonic() - color_timer) > curr_color_interval:
nextcolor()
color_timer = time.monotonic()
color_timer = time.monotonic()
# do we need to step up the current action?
if ((time.monotonic() - action_step_timer) > curr_action_step_duration):
if (time.monotonic() - action_step_timer) > curr_action_step_duration:
if (curr_action):
if curr_action:
if (curr_action == ACT_NOP):
is_act_cycling = (ACT_CYCLING_RING_ACLK or ACT_CYCLING_RING_CLKW)
if curr_action == ACT_NOP:
# rather trivial even tho this will be repeated as long as the
# NOP continues - i could have prevented it from repeating
# unnecessarily, but that would mean more code and less
# space for more actions within the animation
for i in range(0, numpix):
strip[i] = (0,0,0)
strip[i] = (0, 0, 0)
elif (curr_action == ACT_SIMPLE_RING):
elif curr_action == ACT_SIMPLE_RING:
# even more trivial - just set the new color, if there is one
for i in range(0, numpix):
strip[i] = color
elif ( curr_action == (ACT_CYCLING_RING_ACLK or ACT_CYCLING_RING_CLKW)):
elif curr_action == is_act_cycling:
# spin the ring clockwise or anti clockwise
if (curr_action == ACT_CYCLING_RING_ACLK):
if curr_action == ACT_CYCLING_RING_ACLK:
idx += 1
else:
else:
idx -= 1
# prevent overflows or underflows
@ -242,27 +281,27 @@ while True: # Loop forever...
# set the new color, if there is one
strip[idx] = color
elif (curr_action == ACT_WHEEL_ACLK or ACT_WHEEL_CLKW):
elif curr_action == ACT_WHEEL_ACLK or ACT_WHEEL_CLKW:
# switch on / off the appropriate pixels according to
# the current offset
for idx in range(0, numpix):
if ( ((offset + idx) & 7 ) < 2 ):
if ((offset + idx) & 7) < 2:
strip[idx] = color
else:
strip[idx] = (0,0,0)
strip[idx] = (0, 0, 0)
# advance the offset and thus, spin the wheel
if (curr_action == ACT_WHEEL_CLKW):
if curr_action == ACT_WHEEL_CLKW:
offset += 1
else:
else:
offset -= 1
# prevent overflows or underflows
offset %= numpix
elif (curr_action == ACT_SPARKLING_RING):
elif curr_action == ACT_SPARKLING_RING:
# switch current pixel off
strip[idx] = (0,0,0)
strip[idx] = (0, 0, 0)
# pick a new pixel
idx = random.randint(0, numpix)
# set new pixel to the current color

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26
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@ -1,8 +1,9 @@
from digitalio import DigitalInOut, Direction
import board
import neopixel
import time
import board
import neopixel
from digitalio import DigitalInOut, Direction
pixpin = board.D1
numpix = 8
@ -11,32 +12,37 @@ led.direction = Direction.OUTPUT
strip = neopixel.NeoPixel(pixpin, numpix, brightness=1, auto_write=True)
def wheel(pos):
# Input a value 0 to 255 to get a color value.
# The colours are a transition r - g - b - back to r.
if (pos < 0) or (pos > 255):
return (0, 0, 0)
if (pos < 85):
if pos < 85:
return (int(pos * 3), int(255 - (pos*3)), 0)
elif (pos < 170):
elif pos < 170:
pos -= 85
return (int(255 - pos*3), 0, int(pos*3))
return (int(255 - pos * 3), 0, int(pos * 3))
else:
pos -= 170
return (0, int(pos*3), int(255 - pos*3))
return (0, int(pos * 3), int(255 - pos * 3))
def rainbow_cycle(wait):
for j in range(255*5):
for j in range(255 * 5):
for i in range(len(strip)):
idx = int ((i * 256 / len(strip)) + j)
idx = int((i * 256 / len(strip)) + j)
strip[i] = wheel(idx & 255)
time.sleep(wait)
def rainbow(wait):
for j in range(255):
for i in range(len(strip)):
idx = int (i+j)
idx = int(i + j)
strip[i] = wheel(idx & 255)
time.sleep(wait)
while True:
rainbow_cycle(0.05)

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@ -0,0 +1,189 @@
# Talking A, B, Cs Soundboards: Animal ABCs and "E is for Electronics" ABCs
import time
import board
import audioio
import adafruit_fancyled.adafruit_fancyled as fancy
import adafruit_trellism4
# Custom colors for keys
RED = 0xFF0000
MAROON = 0xFF0044
ORANGE = 0xFF6600
YELLOW = 0xFFFF00
BROWN = 0x8B4513
GREEN = 0x008000
AQUA = 0x33ff33
TEAL = 0x66ffff
BLUE = 0x0000FF
NAVY = 0x24248f
PURPLE = 0x660066
PINK = 0xFF66B3
WHITE = 0xFFFFFF
EXTRA = 0x888888
# Select the folder for the ABC files, only define one,
# the other line should have a # to comment it out
#SAMPLE_FOLDER = "/animals/"
SAMPLE_FOLDER = "/electronics/"
# This soundboard can select up to *32* sound clips! each one has a filename
# which will be inside the SAMPLE_FOLDER above, and a *color* in a tuple ()
SAMPLES = [("A.wav", RED),
("B.wav", MAROON),
("C.wav", ORANGE),
("D.wav", YELLOW),
("E.wav", BROWN),
("F.wav", GREEN),
("G.wav", AQUA),
("H.wav", TEAL),
("I.wav", BLUE),
("J.wav", NAVY),
("K.wav", PURPLE),
("L.wav", PINK),
("M.wav", RED),
("N.wav", MAROON),
("O.wav", ORANGE),
("P.wav", YELLOW),
("Q.wav", BROWN),
("R.wav", GREEN),
("S.wav", AQUA),
("T.wav", TEAL),
("U.wav", BLUE),
("V.wav", NAVY),
("W.wav", PURPLE),
("X.wav", PINK),
("Y.wav", RED),
("Z.wav", MAROON),
("01.wav", EXTRA), # Keys beyond the 26 alphabetic keys
("02.wav", EXTRA),
("03.wav", EXTRA),
("04.wav", EXTRA),
("05.wav", EXTRA),
("06.wav", EXTRA)]
# For the intro, pick any number of colors to make a fancy gradient!
INTRO_SWIRL = [RED, GREEN, BLUE]
# The color for the pressed key
SELECTED_COLOR = 0x333300
PLAY_SAMPLES_ON_START = False # Will not play all the sounds on start
# Our keypad + NeoPixel driver
trellis = adafruit_trellism4.TrellisM4Express(rotation=0)
# Play the welcome wav (if its there)
with audioio.AudioOut(board.A1, right_channel=board.A0) as audio:
try:
f = open(SAMPLE_FOLDER+SAMPLES[27][0], "rb") # Use 02.wav as welcome
wave = audioio.WaveFile(f)
audio.play(wave)
swirl = 0 # we'll swirl through the colors in the gradient
while audio.playing:
for i in range(32):
palette_index = ((swirl+i) % 32) / 32
color = fancy.palette_lookup(INTRO_SWIRL, palette_index)
# display it!
trellis.pixels[(i%8, i//8)] = color.pack()
swirl += 1
time.sleep(0.005)
f.close()
# just hold a moment
time.sleep(0.5)
except OSError:
# no biggie, they could have deleted it
pass
# Parse the first file to figure out what format it's in
channel_count = None
bits_per_sample = None
sample_rate = None
with open(SAMPLE_FOLDER+SAMPLES[0][0], "rb") as f:
wav = audioio.WaveFile(f)
print("%d channels, %d bits per sample, %d Hz sample rate " %
(wav.channel_count, wav.bits_per_sample, wav.sample_rate))
# Audio playback object - we'll go with either mono or stereo depending on
# what we see in the first file
if wav.channel_count == 1:
audio = audioio.AudioOut(board.A1)
elif wav.channel_count == 2:
audio = audioio.AudioOut(board.A1, right_channel=board.A0)
else:
raise RuntimeError("Must be mono or stereo waves!")
# Turn on, maybe play all of the buttons
for i, v in enumerate(SAMPLES):
filename = SAMPLE_FOLDER+v[0]
try:
with open(filename, "rb") as f:
wav = audioio.WaveFile(f)
print(filename,
"%d channels, %d bits per sample, %d Hz sample rate " %
(wav.channel_count, wav.bits_per_sample, wav.sample_rate))
if wav.channel_count != channel_count:
pass
if wav.bits_per_sample != bits_per_sample:
pass
if wav.sample_rate != sample_rate:
pass
trellis.pixels[(i%8, i//8)] = v[1]
if PLAY_SAMPLES_ON_START:
audio.play(wav)
while audio.playing:
pass
except OSError:
# File not found! skip to next
pass
def stop_playing_sample(playback_details):
print("playing: ", playback_details)
audio.stop()
trellis.pixels[playback_details['neopixel_location']] = playback_details['neopixel_color']
playback_details['file'].close()
playback_details['voice'] = None
current_press = set()
currently_playing = {'voice' : None}
last_samplenum = None
while True:
pressed = set(trellis.pressed_keys)
# if pressed:
# print("Pressed:", pressed)
just_pressed = pressed - current_press
just_released = current_press - pressed
# if just_pressed:
# print("Just pressed", just_pressed)
for down in just_pressed:
sample_num = down[1]*8 + down[0]
print(sample_num)
try:
filename = SAMPLE_FOLDER+SAMPLES[sample_num][0]
f = open(filename, "rb")
wav = audioio.WaveFile(f)
# is something else playing? interrupt it!
if currently_playing['voice'] != None:
print("Interrupt")
stop_playing_sample(currently_playing)
trellis.pixels[down] = SELECTED_COLOR
audio.play(wav)
# voice, neopixel tuple, color, and sample, file handle
currently_playing = {
'voice': 0,
'neopixel_location': down,
'neopixel_color': SAMPLES[sample_num][1],
'sample_num': sample_num,
'file': f}
except OSError:
pass # File not found! skip to next
# check if any samples are done
if not audio.playing and currently_playing['voice'] != None:
stop_playing_sample(currently_playing)
time.sleep(0.01) # a little delay here helps avoid debounce annoyances
current_press = pressed

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