import Adafruit_DHT
import time

DHT_PIN = 2  
DHT_SENSOR = Adafruit_DHT.DHT22

while True:
    humidity, temperature = Adafruit_DHT.read_retry(DHT_SENSOR, DHT_PIN)
    if humidity is not None and temperature is not None:
        print(f"Temperature: {temperature:.2f}°C, Humidity: {humidity:.2f}%")
    else:
        print("Failed to retrieve data from DHT22 sensor")
    time.sleep(2)  


import RPi.GPIO as GPIO
import time

RELAY_PIN = 3 
GPIO.setmode(GPIO.BCM)
GPIO.setup(RELAY_PIN, GPIO.OUT)

try:
    while True:
        GPIO.output(RELAY_PIN, GPIO.HIGH)
        print("Lamp is ON")
        time.sleep(2)

        GPIO.output(RELAY_PIN, GPIO.LOW)
        print("Lamp is OFF")
        time.sleep(2)

except KeyboardInterrupt:
    GPIO.cleanup()