Serial tx rx pins9/17/2023 ![]() If your project requires simultaneous data flows, see Paul Stoffregen's AltSoftSerial library. On Arduino or Genuino 101 boards RX doesn't work on digital pin 13.On Arduino or Genuino 101 boards the current maximum RX speed is 57600bps.Not all pins on the Leonardo and Micro boards support change interrupts, so only the following can be used for RX: 8, 9, 10, 11, 14 (MISO), 15 (SCK), 16 (MOSI). If using multiple software serial ports, only one can receive data at a time.It cannot transmit and receive data at the same time.SoftwareSerial library has the following known limitations: ![]()
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