This Arduino NFC slot scans a DVD case sticker, pairs it with a hard-drive file, and plays the movie at a button press. Use genre-labelled cases to pick movies randomly; press again to skip to another ...

Head out to your next corporate conference, and you’ll probably be handed a little paper badge in a plastic holder so people ...

One of the best aspects of ESP32 boards (and by extension, sensors) is their dirt-cheap pricing, and that’s pretty much why I ...

This circuit exemplifies the thesis that the 555 is to analog timing what the opamp is to analog "everything else"!

Home Assistant is a great way to rig up and manage your smart home and its many and varied devices. You can of course control ...