from machine import Pin, ADC                  
from neopixel import NeoPixel             
from time import sleep_ms  
from math import log                       

botao = Pin(25, Pin.IN, Pin.PULL_DOWN)
sensor = ADC(Pin(32), atten = ADC.ATTN_11DB)
n = NeoPixel(Pin(23, Pin.OUT), 16)
i = 0

def adc2T(valor):
    bah = log(1/(65535/valor -1))
    COLEgelado = 1/(bah/3950 + 1/298.15)-273.15
    return COLEgelado


while True:
    if botao.value() == 1:
        v = sensor.read_u16()    
        torneira = adc2T(v)
        
        if torneira <= 20:
            for i in range(16):
                n[i] = (0, 0, 255)
                n.write()
                print('frio')
                
        if torneira > 20 and torneira < 40:
            for i in range(16):
                n[i] = (180,255,180)
                n.write()
                print('média')
                
        if torneira >= 40 and torneira < 60:
            for i in range(16):
                n[i] = (255,53,0)
                n.write()
                print('morno')
                
        if torneira > 60:
            for i in range(16):
                n[i] = (255,0,0)
                n.write()
                print('quente')
         
        print(f'{torneira} graus')
        sleep_ms(300)
    
    else:
        for i in range(16):
                n[i] = (0, 0, 0)
                n.write()
        
#w3school.com.br  python