import time import os current_path = os.path.dirname(os.path.realpath(__file__)) try: import serial except ImportError: try: os.system("pip install pyserial") import serial except ImportError: print("Please execute'pip install -r requirements.txt'") exit() host = serial.Serial('COM3', 9600) while True: try: output = str(host.readline()) output.replace("\r\n'", "") output.replace("b'", "") print(output) except KeyboardInterrupt: exit()