All by itself, a calculator based on an Arduino isn’t necessarily very novel. However, [Danko Bertović] of Volos Projects has a nice board that, of course, looks like a calculator. There are 16 keys ...

Sometimes a hack doesn’t need to be rocket science to be useful. Take for instance [MofigoDIY] using an old spark plug to build a glass cutter. Sure, going to grab a glass cutter at the hardware store ...

If you're into microcontrollers, you've probably heard of the ESP32. This $5 microcontroller can be easily mistaken for an Arduino with networking capabilities, but it's so much more than that. Those ...