import machine
import utime
import dht
from machine import Pin, I2C
from hcsr04 import HCSR04      # Custom library for Ultrasonic sensor
from mlx90614 import MLX90614  # Custom library for MLX90614 thermal sensor

# Setup for DHT22 Sensor
dht_sensor = dht.DHT22(Pin(22))

# Setup for PIR Sensor
pir_sensor = Pin(15, Pin.IN)

# Setup for Ultrasonic Sensor
ultrasonic_sensor = HCSR04(trigger_pin=17, echo_pin=18)

# Setup for IR Sensor
ir_sensor = Pin(16, Pin.IN)

# Setup for MLX90614 Thermal Sensor (I2C communication)
i2c = I2C(0, scl=Pin(15), sda=Pin(14), freq=100000)
mlx_sensor = MLX90614(i2c)

def read_sensors():
    # Reading DHT22 Sensor
    dht_sensor.measure()
    temp = dht_sensor.temperature()
    humidity = dht_sensor.humidity()
    print("DHT22 - Temperature: {} C, Humidity: {} %".format(temp, humidity))

    # Reading PIR Sensor
    pir_value = pir_sensor.value()
    if pir_value:
        print("PIR: Motion detected!")
    else:
        print("PIR: No motion detected.")

    # Reading Ultrasonic Sensor
    distance = ultrasonic_sensor.distance_cm()
    print("Ultrasonic Sensor - Distance: {:.2f} cm".format(distance))

    # Reading IR Sensor
    ir_value = ir_sensor.value()
    if ir_value == 0:
        print("IR: Obstacle detected!")
    else:
        print("IR: No obstacle.")

    # Reading MLX90614 Thermal Sensor
    ambient_temp = mlx_sensor.read_ambient_temp()
    object_temp = mlx_sensor.read_object_temp()
    print("MLX90614 - Ambient Temp: {} C, Object Temp: {} C".format(ambient_temp, object_temp))

# Main loop
while True:
    read_sensors()
    utime.sleep(2)  # Delay of 2 seconds before next read