How-To Geek on MSN

I turned an ESP32 into a Bluetooth presence sensor, and it knows which room I'm in

I'll never lose my phone again.
Hackaday

How To Use Those Cute But Slightly Odd 7-Segment LCDs

If you’re not aware, there is such a thing as adorable little three digit LCD 7-segment displays. They come in a ten-pin DIP ...