With this circuit, you can flash some LEDs for your rc airplanes or any other uav just like the real strobe navigation lights ...

This is the most complex or detailed soldering I've done so far, the QFN20 package is very small but still not impossible to solder using conventional tools. In this video I make a functional circuit ...

Whether you’re indoors or outdoors, you’ve got to keep your hands warm. Warmth keeps your digits limber, and these ...