Posted in Radio Hacks Tagged am, analog, arduino, detection, galvanometer, lightning, nano, radio, sensitivity, TA7642 ← Measuring LED Flicker, With Phototransistor And Audio App ...

TK has combined a PIR with an Arduino to create a smart safety light for the house or workshop. Follow along as this gets built out into a more extensive project.

Engineered with a polarization filter that allows only light received from a specially designed reflector to be recognized by the detector, the Series OPDM 12 retro-reflective laser sensors ...

A new sticker changes in shape inside the body, enabling standard ultrasound technology to detect leaks for earlier detection and intervention. John Rogers, Louis Simpson and Kimberly Querrey ...