import neopixel 
from machine import Pin, ADC
from time import sleep 
import random
import dht


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

NUM_LED = 20
leds = neopixel.NeoPixel(Pin(4), NUM_LED)
sense = dht.DHT22(Pin(18))
gumb=Pin(5, Pin.IN,Pin.PULL_UP)
pot=ADC(Pin(2))

while True:
    leds.fill([0,0,0])
    r=255
    g=0
    b=0
    z=round(255/NUM_LED)
    i=19

    if gumb.value()==1:
        leds.fill([0,0,0])
        for x in range(NUM_LED):
            s=(convert(pot.read(),0,4096,0,101))*0.01
            sense.measure()
            leds[x]=[r,g,b]
            leds.write()
            sleep(s)
            g+=z
               
    if gumb.value()==0:
        leds.fill([0,0,0])
        for x in range(NUM_LED):
            s=(convert(pot.read(),0,4096,0,101))*0.01
            sense.measure()
            leds[i]=[r,g,b]
            leds.write()
            sleep(s)
            g+=z
            i-=1