Bats are nocturnal hunters and use echolocation to orient themselves by emitting high-frequency ultrasonic sounds in rapid ...

The Philips Hue Bridge Pro uses your existing Hue bulbs for presence detection – no extra sensors needed. Here’s why it ...

Recently, [Solder Hub] put together a brief video that demonstrates the basics of a Hall Effect sensor — in this case, one ...

Unexpeced approaching behind when riding frightened me sometimes, although ready made products are in the market, I made bicycle radar demo. Limitations LD2410 covers 4~5m, so it can miss fast ...