Looking in my drawer of old prototypes, I found two early attempts at a generator-mounted voltage regulator for my Harley Sportsters (Fig. 3). I started out using plated “pegboard” PCB material.

Grinding out copper is one way to create a printed circuit board, and low-cost CNC milling machines have improved to the point where it’s possible for many.

Download the codes here Arduino simple shield potentiometer code: Arduino shield rc car: Arduino nano module L298P code: ...

Eurocircuits provides a single source for bare board and assembled PCB prototypes and small series. Their free to use online tools provide instant pricing and virtual manufacturing of your design ...

NVIDIA details its beast quad-slot, triple-fan RTX 40 or TITAN prototype with an interesting rotated PCB as the GeForce RTX 5090 preps for launch.