75 lines
2.5 KiB
Python
75 lines
2.5 KiB
Python
# SPDX-FileCopyrightText: 2020 Erin St. Blaine for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""
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FancyLED Necklace Insert Code
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Written by Phil Burgess and Erin St Blaine for Adafruit Industries
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Full tutorial: https://learn.adafruit.com/neopixel-led-necklace-insert-with-usb-charging
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"""
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import board
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import neopixel
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import adafruit_fancyled.adafruit_fancyled as fancy
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NUM_LEDS = 15
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# Define your palettes. Add as many colors as you like.
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# You can use CRGB, CHSV or Hex format, or any combination therein
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# Select which palette you're using below the palette definitions
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palette_fire = [fancy.CRGB(0, 0, 0), #Black
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fancy.CHSV(1.0), #Red
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fancy.CRGB(1.0, 1.0, 0.0), #Yellow
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0xFFFFFF,] #White
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palette_water = [fancy.CRGB(0, 214, 214), # blues and cyans
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fancy.CRGB(0, 92, 160),
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fancy.CRGB(0, 123, 255),
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fancy.CRGB(0, 100, 200),
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fancy.CRGB(0, 120, 210),
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fancy.CRGB(0, 123, 255),
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fancy.CRGB(0, 68, 214),
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fancy.CRGB(0, 68, 214),
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fancy.CRGB(0, 28, 214),
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fancy.CRGB(0, 68, 200),
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fancy.CRGB(0, 68, 214),
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fancy.CRGB(0, 200, 50),
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fancy.CRGB(0, 200, 80),
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fancy.CRGB(0, 200, 20),
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fancy.CRGB(0, 100, 50),
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fancy.CRGB(0, 150, 50),]
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palette_forest = [0xa6db97,
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0xc6de50,
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0x2a7a02,
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0x5fb862,
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0x314a32,
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0xd5e8d6,]
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palette_cloud = [fancy.CHSV(0.8, 1.0, 1.0),
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fancy.CHSV(0.6, 0.8, 0.7),
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fancy.CHSV(0.7, 1.0, 0.8),]
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#choose your active palette
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palette = palette_water
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# Declare a NeoPixel object on pin A1 with NUM_LEDS pixels, no auto-write.
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# Set brightness to max because we'll be using FancyLED's brightness control.
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pixels = neopixel.NeoPixel(board.A1, NUM_LEDS, brightness=1.0,
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auto_write=False)
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OFFSET = 0 # Positional offset into color palette to get it to 'spin'
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while True:
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for i in range(NUM_LEDS):
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# Load each pixel's color from the palette using an offset, run it
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# through the gamma function, pack RGB value and assign to pixel.
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color = fancy.palette_lookup(palette, OFFSET + i / NUM_LEDS)
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color = fancy.gamma_adjust(color, brightness=0.25)
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pixels[i] = color.pack()
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pixels.show()
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OFFSET += 0.005 # Bigger number = faster spin
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