C++ library for the Arduino IDE that allows you to manipulate general-purpose I/O (GPIO) pins on your Arduino or Arduino-compatible board with minimal overhead. - pololu/fastgpio-arduino ...

For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP From Arduino IDE, select menu Sketch -> Include Library -> ...

Arduino is an open-source hardware and software company, project and user community that designs and manufactures single-board microcontrollers and microcontroller kits for building digital ...