import serial
import time

# Configure the serial port
# Replace 'COM4' (Windows) or '/dev/ttyACM0' (Linux/Mac) with your Arduino's port
# Ensure the baud rate matches the one used in your Arduino sketch (e.g., Serial.begin(9600))
port = '/dev/ttyACM0'
baud_rate = 9600
timeout = 1

try:
    # Open the serial port
    ser = serial.Serial(port, baud_rate, timeout=timeout)
    time.sleep(2)  # Wait for the connection to establish (Arduino reset delay)

    print("Listening for messages...")

    while True:
        # Check if data is available
        if ser.in_waiting > 0:
            # Read a line from the serial port
            message = ser.readline().decode('utf-8').rstrip()
            print(f"Received: {message}")

except serial.SerialException as e:
    print(f"Error opening serial port: {e}")
except KeyboardInterrupt:
    print("\nExiting...")
finally:
    if 'ser' in locals() and ser.is_open:
        ser.close()
        print("Serial port closed.")