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You Can Turn Almost Any Philips Hue Bulbs Into Motion Sensors, but There's a Catch

As long as you have a Hue Bridge Pro, for no additional cost, you can use MotionAware with compatible Philips Hue devices to ...
Hackaday

Surprisingly Refined Perpetual Motion Device Teardown

Perpetual motion devices are either a gag, a scam, or as in the case of this particular toy that [Big Clive] bought on AliExpress, a rather fascinating demonstration of a contact-free inductive ...