Arduino menu library for LCD displays 16x2 and 20x4. Features: multiple menu levels control by 4 buttons keypads (4xDI or 1xAI) or by rotary encoder (4xDI) menu texts stored in program memory displays ...

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 ...