hi dear friends,
i have a problem about serial connectivity
i am using tx rx and gnd
and i need to connect via this pins
but i am trying since 1week i cant :(
i try everything but my apm's tx pin is not transmitting anything
how can i test this uart?
best regards
please help :(
Replies
Make sure the usb isn't connected at the same time.
Double check the baud. It should be 57600.
Try reversing your rx and tx wires. Usually you connect rx to tx but perhaps your xbee board is labeled so that you connect rx to rx.