DIY electronics enthusiasts are finding creative ways to shrink powerful microcontrollers into portable, daily-carry gadgets, and custom electronic keychains have quickly become a favourite project.

Altimeters are extremely important in aviation, RC planes, model rockets, UAVs, shipments, elevators/lifts, skydiving, ...

I built a Spider Man mask with moving eyes using Arduino uno Q as the computer and attached sensors to it which detects my ...