Separate App Sound is a little-known feature on Samsung phones, and if you aren't using it yet, you should. Here's how.

Instead of throwing that spent Elf Bar nicotine vape into the trash, you can pull most of the guts out, plug in a circuit board and some controls, then suck on the mouthpiece to play digital sounds.

A Steinway Spirio player piano can capture every detail of a performance and reproduce it, keystroke for keystroke. In ...

By age 2, most kids know how to play pretend. They turn their bedrooms into faraway castles and hold make-believe tea parties ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, ...