from machine import Pin, I2C
from lcd_api import LcdApi
from pico_i2c_lcd import I2cLcd
from time import sleep
import dht

# LCD
I2C_ADDR = 0x27
I2C_NUM_ROWS = 2
I2C_NUM_COLS = 16
i2c = I2C(0, sda=machine.Pin(0), scl=machine.Pin(1), freq=400000)
lcd = I2cLcd(i2c, I2C_ADDR, I2C_NUM_ROWS, I2C_NUM_COLS)
lcd.backlight_on()

# Working
LED = Pin(2, Pin.OUT)  
def ledBlink():
    LED.on()
    sleep(1)
    LED.off()
    sleep(1)

sensor = dht.DHT22(Pin(5))
while True:
  try:
    sleep(1)
    sensor.measure()
    lcd.clear()
    lcd.putstr(f"Temp: {sensor.temperature():.1f}")
    lcd.move_to(0,1)
    lcd.putstr(f"Humidity: {sensor.humidity():.1f}")
  except OSError as e:
    lcd.putstr('Failed reception')