import time
time.sleep(0.1) # Wait for USB to become ready
print("Hello, Pi Pico!")

from machine import Pin,ADC
from math import log
import lcdi2c as lcd

BETA = 3950
ntc=ADC(Pin(28))

while 1:   

    analogValue = ntc.read_u16()
    celsius = 1 / (log(1 / (65535. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15
    print("Tem:",celsius,"^C")
    lcd.cmd_write(0xc0)
    lcd.cmd_write(0x0c)

    if celsius < 30:
        lcd.str_write("Tem: "+str(round(celsius,2))+" Cold  ")
    else:
       lcd.str_write("Tem: "+str(round(celsius,2))+" Hot  ")
    time.sleep(0.5)