A Look Inside IKEA’s Vallhorn Motion Sensor Teardown

A good source of hackable home automation parts has come for a while in the form of inexpensive modules offered by large retailers such as Lidl, or IKEA. They’re readily available and easy to…

RepTrap Keeps Watch Over Our Cold-Blooded Friends

Wait a second, read that title again. This isn’t a throwback 3D printing project at all. That’s “RepTrap” as in reptile trap, and it’s a pretty clever way to study our…

Motion-Activated Clock Only Lights Up On Command

While some of us can fall asleep anywhere from a noisy auditorium to a brightly lit train station, others are more fussy, requiring quiet and dark to nod off. [Craig Lindley] likes to minimize ligh…