I'm gonna to upload some code to my LeArm using an Arduino board. I connected the rx and tx pins of the LeArm to the Arduino, but I got an error message when I tried to upload the code. I'm not sure if I did the connections correctly. Does anyone have any tips on how to upload the programs successfully?
Would it be impolite to inquire what the error message was?
Please don't post screenshots of text. In this case, the only advantage is that wr can see which board you are using.
The RX and TX pins on the Mega are also used for communication with the PC. Connecting anything to those pins will interfere with the upload so you will have to disconnect when uploading.
Your Mega has 4 UARTs; why dont you use e.g. RX1 and TX1 and adjust the code to communicate with the arm over Serial1?
I've moved your topic to a more suitable location on the forum.
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