import time
import Adafruit_DHT
from RPLCD.gpio import CharLCD
import RPi.GPIO as GPIO

# Configuración del DHT11
sensor = Adafruit_DHT.DHT11
pin_dht = 4  # GPIO4

# Configuración del LCD en modo 4 bits
lcd = CharLCD(
    numbering_mode=GPIO.BCM,
    cols=16,
    rows=2,
    pin_rs=26,
    pin_e=19,
    pins_data=[13, 6, 5, 11]  # D4, D5, D6, D7
)

try:
    while True:
        humedad, temperatura = Adafruit_DHT.read_retry(sensor, pin_dht)

        lcd.clear()
        if humedad is not None and temperatura is not None:
            lcd.write_string(f"Temp: {temperatura}C")
            lcd.cursor_pos = (1, 0)
            lcd.write_string(f"Humed: {humedad}%")
        else:
            lcd.write_string("Error sensor")
            lcd.cursor_pos = (1, 0)
            lcd.write_string("DHT11")

        time.sleep(2)

except KeyboardInterrupt:
    pass

finally:
    lcd.clear()
    GPIO.cleanup()