[Lauri Pirttiaho] from the [Swiss Knife of Electronics] channel explains how to simplify your resistive divider keypad design on Hackaday.io. The usual method involves building a resistive ladder that ...

It’s probably not much of a stretch to say that many of us have taken on a project or two that were little more than thinly veiled excuses to add a new tool or piece of gear to our arsenal. There’s ...

If you’ve messed with Arduino, the inexpensive micro controller, you’ll know that you can run a small motor or turn an LED on and off, but anything else – powering a pump, turning on a light bulb – ...