The Arduino PCB Ink Plotter CNC Machine is a DIY project that features a arduino running GRBL CNC firmware. In this project, it uses a marker that is suitable for plotting or marking the PCB for board ...
Making an Arduino shield can be simpler than you think. This time I designed one to program Attiny and Atmega microcontrollers, that way I don't have to use a breadboard and make the wiring to program ...