Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your…

OpenSCAD - The Programmers Solid 3D CAD Modeller

Basic MPU6050 Arduino sketch of sensor function

Detect touch or proximity by capacitve sensing

A fun and simple embedded systems circuit and firmware.