from machine import ADC,Pin,I2C,Timer
import time
from pico_i2c_lcd import I2cLcd
sda=Pin(0)
scl = Pin(1)

i2c = I2C(0, sda=sda , scl=scl ,freq = 400000)
devices = i2c.scan()
if len(devices)<=0:
    print("No devices found!")
else :
    print(hex(devices[0]))
i2c_addr = devices[0]
lcd=I2cLcd(i2c,i2c_addr,2,16)

adc=ADC(0) #ADC(0)=ADC(26)
BETA=3950

def fn(timer):
  lcd.clear()
  raw=adc.read_u16()
  angle = raw/65535*90
  lcd.putstr(str(angle)+" degrees")
    
t = Timer(period=1000,mode=Timer.PERIODIC,callback=fn)