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 ...

SparkFun AS726X Arduino Library ... This is an Arduino IDE library to control the AS726X Spectral Sensor, which can be configured via I 2 C or SPI. The AS7262 version detects wavelengths in the ...