import neopixel 
from machine import Pin, ADC
from utime import sleep
import random


potPin=25
gumb=Pin(21, Pin.IN,Pin.PULL_UP)
NUM_LED=16
NUM_CIR=3
pot=ADC(Pin(potPin))

leds = neopixel.NeoPixel(Pin(16), NUM_LED*NUM_CIR)
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


while True:
    r=255
    g=0
    b=0
    for x in range(NUM_LED*NUM_CIR):
        if gumb.value()==0:
            r=random.randint(0,255)
            g=random.randint(0,255)
            b=random.randint(0,255)
        print(gumb.value())
        s=(convert(pot.read(),0,4096,0,100))*0.01
        leds[x]=[r,g,b]
        leds.write()
        sleep(s)
        if x==NUM_LED*NUM_CIR-1:
            leds.fill([0,0,0])