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 ...

Researchers have developed a sensor made from ‘frozen smoke’ that uses artificial intelligence techniques to detect formaldehyde in real time at concentrations as low as eight parts ...