import serialBaudrate = 115200
ser = serial.Serial(dev, Baudrate) <<< Stuck in thisDesktop/2-CH-RS232-HAT/python/lib/waveshare_2_CH_RS232_HAT/config.py", line
如果值是正确的,它将通过Serial.write()向Arduino发送信号。然后,Arduino读取该数据,并且如果Arduino读取1,则它应该通过引脚13发送高信号。Arduino代码: pinMode(13,OUTPUT); Serial.begin(9600);}
if (Serial.available()){
n = Serial.read() - '