- https://docs.arduino.cc/language-reference/en/functions/communication/serial/read/ - https://docs.arduino.cc/language-reference/en/functions/communication/serial ...
* 1. The board you are using is the SAMD21 Xplained Pro with a SAMD21J18A * 2. The ATWINC3400 is on a WINC3400 Xplained Pro board attached to EXT1. * 3. You have ...