python调用串口，写入数据

#!/usr/bin/python3 import serial def serialTest(): try: port = "COM3" bps = 115200 timeO = 5 ser = serial.Serial(port, bps, timeout = timeO) result = ser.write("python invoke serial".encode("gbk")) print("write data: ", result) ser.close() except Exception as e: print("ERROR: ", e) if __name__ == "__main__": serialTest()

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