If you have connected a sensor to the Arduino but are unable to use it
niu.yixuan 2024-07-12 15:04:05 33 Views0 Replies If you have connected sensor to the Arduino, but unable to use it
2024-07-12 15:04:05 please first check the current serial port-level mode, it may be in TTL level, while our module works in RS232 levels. 
niu.yixuan
niu.yixuan 
