The SPI protocol is a "standard" for serial communication, however there exists many variants. This document only describe the four modi typical used in the Arduino context. The SWSPI library ...

Library to control a PCA9685 16-channel PWM driver module from an Arduino board. Licensed under the copy-left GNU GPL v3 license. Created by Kasper Skårhøj, August 3rd, 2012. Forked by Vitska, June ...

So let’s say your using an Arduino in your project. You already have the hardware-based serial interface working with one portion of the project and need a second serial port for unrelated hardware.

Effects pedals: for some an object of overwhelming addiction, but for many, an opportunity to hack. Anyone who plays guitar (or buys presents for someone who does) knows of the infinite choice of ...