Remember the days of the simple photo-electric cell? Using either a transmitter-receiver pair or a single TX/RX with a retro-reflector, the interruption of an IR beam would trigger an alarm, stop a ...

Laser Proximity Sensors use laser beams to detect the presence or absence of objects within a certain range. They are used in security systems, robotics, automation, and industrial processes, where ...

While the Web is full of DIY electronics projects, few are useful as they are entertaining. That’s not the case with this one here, however — a laser tripwire alarm system, which can be used to secure ...

Leading sensor manufacturer OPTEX has announced the roll out of its outdoor and high-resolution indoor laser sensor RLS-2020S, complementing its next-generation REDSCAN mini sensor that features a ...