import machine
import dht
import time

# Define pin numbers
DHT_PIN = 1  # GPIO15 for DHT sensor
RELAY_PIN = 26  # GPIO14 for relay

# Initialize DHT sensor
dht_sensor = dht.DHT11(machine.Pin(DHT_PIN))

# Initialize relay
relay = machine.Pin(RELAY_PIN, machine.Pin.OUT)

def read_dht_sensor():
    dht_sensor.measure()
    temp_celsius = dht_sensor.temperature()
    humidity = dht_sensor.humidity()
    return temp_celsius, humidity

def control_relay(temp_celsius):
    # Example condition: Turn on the relay if temperature exceeds 25°C
    if temp_celsius > 25:
        relay.on()
    else:
        relay.off()

while True:
    temp_celsius, humidity = read_dht_sensor()
    control_relay(temp_celsius)
    print("Temperature: {}°C, Humidity: {}%".format(temp_celsius, humidity))
    time.sleep(2)  # Read sensor every 2 seconds