# SPDX-FileCopyrightText: 2019 Dano Wall for Adafruit Industries # # SPDX-License-Identifier: MIT """ Crickit Exhibit Project by Dano Wall and Isaac Wellish Code by Isaac Wellish The Crickit Exhibit demonstrates almost all of the capabilities which CRICKIT can offer in one project """ # Functions: #1. Hit a button to trigger a solenoid #2. Hit a button to turn on an electromagnet #3. Touch conductive tape to trigger a neopixel animation #4. Turn a potentiometer to control a servo #5. Shine light on the CPX to trigger and change the speed of a DC motor #6. Hit both buttons to trigger a sound from the speaker! import time from adafruit_crickit import crickit import board import neopixel from analogio import AnalogIn from simpleio import map_range, tone # RGB values RED = (255, 0, 0) YELLOW = (255, 150, 0) GREEN = (0, 255, 0) CYAN = (0, 255, 255) BLUE = (0, 0, 255) PURPLE = (180, 0, 255) # For signal control, we'll chat directly with seesaw, use 'ss' to shorted typing! # create seesaw object ss = crickit.seesaw # Two buttons are pullups, connect to ground to activate BUTTON_1 = crickit.SIGNAL1 BUTTON_2 = crickit.SIGNAL2 ss.pin_mode(BUTTON_1, ss.INPUT_PULLUP) ss.pin_mode(BUTTON_2, ss.INPUT_PULLUP) #solenoid at drive spot 1 crickit.drive_1.frequency = 1000 #electromagnet at drive spot 2 crickit.drive_2.frequency = 1000 # initialize NeoPixels to num_pixels num_pixels = 30 # The following line sets up a NeoPixel strip on Crickit CPX pin A1 pixels = neopixel.NeoPixel(board.A1, num_pixels, brightness=0.3, auto_write=False) #sleep var for pushing both buttons SLEEP_DELAY = 0.1 # NeoPixel function def color_chase(color, wait): for i in range(num_pixels): pixels[i] = color time.sleep(wait) pixels.show() time.sleep(0.5) # potentiometer connected to signal #3 pot = crickit.SIGNAL8 # initialize the light sensor on the CPX and the DC motor light_in = AnalogIn(board.LIGHT) while True: # button + solenoid & electromagnet code # button 1 - solenoid on if not ss.digital_read(BUTTON_1): print("Button 1 pressed") crickit.drive_1.fraction = 1.0 # all the way on time.sleep(0.01) crickit.drive_1.fraction = 0.0 # all the way off time.sleep(0.5) else: crickit.drive_1.fraction = 0.0 # button 2 electromagnet on if not ss.digital_read(BUTTON_2): print("Button 2 pressed") crickit.drive_2.fraction = 1.0 # all the way on time.sleep(0.5) else: crickit.drive_2.fraction = 0.0 # all the way off # Capacitive touch + neopixel code touch_raw_value = crickit.touch_1.raw_value if touch_raw_value>800: print("chase") color_chase(PURPLE, 0.1) else: pixels.fill((0,0,0)) pixels.show() # potentiomter + servo # uncomment this line to see the values of the pot # print((ss.analog_read(pot),)) # time.sleep(0.25) # maps the range of the pot to the range of the servo angle = map_range(ss.analog_read(pot), 0, 1023, 180, 0) # sets the servo equal to the relative position on the pot crickit.servo_1.angle = angle # Light sensor + DC motor # uncomment to see values of light # print(light_in.value) # time.sleep(0.5) # reads the on-board light sensor and graphs the brighness with NeoPixels # light value remaped to motor speed peak = map_range(light_in.value, 3000, 62000, 0, 1) # DC motor crickit.dc_motor_1.throttle = peak # full speed forward # hit both buttons to trigger noise if not ss.digital_read(BUTTON_1) and not ss.digital_read(BUTTON_2): print("Buttons 1 and 2 pressed") for f in (262, 294, 330, 349, 392, 440, 494, 523): tone(board.A0, f, 0.25) time.sleep(SLEEP_DELAY)