mika.py

import board
import neopixel
import time
 
pixel_pin = board.D2   #the ring data is connected to this pin
num_pixels = 16        #number of leds pixels on the ring
 
pixels = neopixel.NeoPixel(pixel_pin, num_pixels, brightness=0.3, auto_write=False)
 
MOST = (245, 24, 113) #RGB
SECOND = (247, 47, 128)
MIDDLE = (250, 82, 150)
LIGHTER = (245, 110, 164)
LIGHT = (250, 125, 176)
LIGHTEST = (250, 150, 191)
OFF = (0,0,0)

# helper function for fading - do not touch
def fade(c1, c2):
    diff = (c2[0]-c1[0], c2[1]-c1[1], c2[2]-c1[2])
    diffA = [1 if n==0 else abs(n) for n in diff]
    maxDiff = max(diffA)
    index = diffA.index(maxDiff)
    cFade = list(c1)
    increment = [int(diff[i]/diffA[i]) for i in range(3)]
    for i in range(0, maxDiff):
        for n in range(3):
            if(cFade[n] != c2[n]):
                cFade[n] += increment[n]
        pixels.fill(tuple(cFade))
        pixels.show()
        time.sleep(0.01)  # debounce delay


for light in range(0,16,1):
    pixels[light]=MOST
    pixels.show()     
    time.sleep(1)
        
fade(MOST, SECOND)
fade(SECOND, MIDDLE)
fade(MIDDLE, LIGHTER)
fade(LIGHTER, LIGHT)
fade(LIGHT, LIGHTEST)
time.sleep(0.5)  # debounce delay