from machine import Pin, SoftI2C
from i2c_lcd import I2cLcd
import onewire, ds18x20, time

i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=400000)
lcd = I2cLcd(i2c, 0x27, 2, 16)

lcd.clear()
lcd.backlight_on()

ow = onewire.OneWire(Pin(4))
sensor = ds18x20.DS18X20(ow)
roms = sensor.scan()

while 1:
    time.sleep_ms(750)
    sensor.convert_temp()

    temp = sensor.read_temp(roms[0])
   
    lcd.clear()
    lcd.move_to(0, 0)
    line1 = "Temperature:"
    lcd.putstr(line1)
    
    lcd.move_to(0, 1)
    line2 = str("{:.2f} C".format(temp))
    lcd.putstr(line2)