In a previous article, we explored the behavior of an LED diode as a small light source. We have seen how important a protection resistor is to light up this component. In this article, we will ...

There have been many attempts at electronic numerical display technology over the decades since the first incandescent bulb or neon tube flickered into life at the command of a primordial computer, ...

Discover the fascinating process behind building a mechanical 7-segment display entirely from cardboard and simple household materials. Follow step-by-step as the creator designs, cuts, and assembles ...