Hello.
Are you using the V8 version of the OP? Is your baud rate aligned? Its default baud rate is 2000000.
Also, you can try to do self-receive and self-send test.
Hello.
Are you using the V8 version of the OP? Is your baud rate aligned? Its default baud rate is 2000000.
Also, you can try to do self-receive and self-send test.