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 ...

If you look around your desk right now, odds are you’ll see a 7-segment display or two showing you some vital information like the time or today’s weather. But think of how much information you could ...

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 ...