SparkFun code, firmware, and software is released under the MIT License. Please see LICENSE.md for further details. while(!Serial) delay(10); // Wait for Serial to become available. // Necessary for ...
See PCINT pin table at the bottom for more details. Arduino Uno/Nano/Mini: All pins are usable Arduino Mega: 10, 11, 12, 13, 50, 51, 52, 53, A8 (62), A9 (63), A10 (64 ...