Did you try swapping the Rx/Tx pins on one end?
And while you're at it, try 2400 baud, instead of 9600. Yes, 9600 should work...but 2400 should be a bit more reliable if there are other problems.
Did you try swapping the Rx/Tx pins on one end?
And while you're at it, try 2400 baud, instead of 9600. Yes, 9600 should work...but 2400 should be a bit more reliable if there are other problems.
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