i want to ask whether uno can serial.print strings while receiving strings through tx rx. i use one uno send "aaa"to the other in the loop, when the second receiving "a",it will send "bbb"to the first one. when i disconnect the second uno tx to the first uno rx,i find the second send "bbb"correctly …

serial communication

system November 1, 2017, 5:09pm 3

(deleted)

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