Inspiringly, the size of the router’s PCB was just larger than the space between the Arduino’s pin headers. Turning the router into a shield is simply a matter of scoring the edge of the ...

Arduino and electronic enthusiasts interested in designing and manufacturing their very first PCB might find a project published by YouTuber Upir for his LED volume control shield PCB interesting ...

Sure, you can add tons of functionality via strap-on boards called “shields”.. but those can get expensive quick. Want your Arduino project to be able to play sounds? That’ll be $20.