This sensor uses I2C to communicate. And I2C instance is required to access to the sensor. The API provides simple distance measure, single swipe gesture detection, directional (left/right) swipe ...

HT16K33 Library for Arduino This is a quick and dirty library providing a relatively easy-to-use interface for driving the Holtek HT16K33 16×8 LED driver IC. I wrote it for a project I was working on, ...