Recently, I was in deep research on how to make our own Self Learning Universal Remote. So when I searched for the procedure of making this.

An open-source Arduino based toolkit to learn, build & debug electronics and robotics projects.

Make a simple oscilloscope with Arduino MEGA 2560 and Processing

A large DIY Kossel XL RepRap 3D printer.

PLC IEC-61131-3 ladder programming >>> Modbus TCP/IP >>> PID tuning >>> HMI >>> Wiring diagram.

SensorBoard is a opensource project with GUI.