MRAA (mraa.io) – pronounced ‘em rah’ is the hardware abstraction layer in Arduino Create* for Linux* based platforms. It is an open source project, and it supports multiple boards and programming ...

What is a rotary encoder? A rotary encoder (RT) is a device that you can rotate infinitely. On most rotary encoders, when you rotate them you will feel a bump (known as steps), and most RTs have about ...