Android Question UsbSerial V2.4 Arduino chg340

[Philsailor]

Hi, UsbSerial V2.4 works well with original Arduino but I have an error on open(9600 , 1) with a clone Arduino (ch340g chip).
Can you help me ?
Best regards

 

[Erel]

You can try felUsbSerial - Alternative Usb Serial library.