The idea here is simple enough: attach a motion sensor to a standard gaming headset (here a MPU-6050 IMU), and use the data from it to virtually “press” keys through USB HID emulation.

The best DIY home security systems are easy to install, include motion and entry sensors, a loud siren and professional monitoring, all for a reasonable monthly fee. When you purchase through ...

this DIY motion trigger for a DSLR is a quick and easy build, and probably loads more fun. The BOM on [Jeremy S Cook]’s build is extremely short – just a PIR sensor and an optoisolator ...