from machine import Pin
import time

# Set up the IR sensor
ir_sensor = Pin(15, Pin.IN)  # GPIO 15 as input pin
counter = 0  # Initialize a counter variable

# Function to monitor the IR sensor
def count_objects():
    global counter
    previous_state = ir_sensor.value()  # Initial state of the sensor

    while True:
        current_state = ir_sensor.value()
        # Check if the state has changed from high to low (object detected)
        if previous_state == 1 and current_state == 0:
            counter += 1
            print(f"Object detected! Count: {counter}")
        previous_state = current_state
        time.sleep(0.1)  # Short delay to avoid bouncing issues

try:
    count_objects()
except KeyboardInterrupt:
    print("Counting stopped.")