# Motion Sensor to detect pet
import machine
import utime

# Define PIR sensor pin
pir_pin = machine.Pin(16, machine.Pin.IN)

# Function to detect motion
def detect_motion():
    return pir_pin.value()

# Function to wait for motion
def wait_for_motion():
    print("Waiting for motion...")
    while not detect_motion():
        utime.sleep(1)

# Loop for when pet is detected
while True:
    wait_for_motion()
    print("Pet detected!")
    utime.sleep(1)