from machine import Pin, ADC
from time import sleep
from neopixel import NeoPixel
from random import randint

NUM_PIXELS = 16

def convert(x, in_min, in_max, out_min, out_max):
    return (x - in_min) * (out_max - out_min) // (in_max - in_min) + out_min

potR = ADC(Pin(12, Pin.IN))
potG = ADC(Pin(13, Pin.IN))
potB = ADC(Pin(14, Pin.IN))

btn = Pin(15, Pin.IN, Pin.PULL_UP)

pixels1 = NeoPixel(Pin(22), NUM_PIXELS)
pixels2 = NeoPixel(Pin(23), NUM_PIXELS)


while True:
    r = randint(0,255)
    g = randint(0,255)
    b = randint(0,255)
    pixels1.fill((r,g,b))
    pixels1.write()
    while btn.value():
        R = convert(potR.read(), 0, 4095, 0, 255)
        G = convert(potG.read(), 0, 4095, 0, 255)
        B = convert(potB.read(), 0, 4095, 0, 255)
        pixels2.fill((R,G,B))
        pixels2.write()
    print(f"R: {r}\t{R}")
    print(f"G: {g}\t{G}")
    print(f"B: {b}\t{B}\n")
    sleep(2)