If you are only getting signals going one way, double check all of your connections between the board and cables. Also, you’ll want to check the board with a multimeter. You may have a cold joint somewhere which is degrading signal flow.
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If you are only getting signals going one way, double check all of your connections between the board and cables. Also, you’ll want to check the board with a multimeter. You may have a cold joint somewhere which is degrading signal flow.