Larson Electronics LLC's 12-watt infrared LED emitter was designed for covert surveillance operations and security systems. This discreet monitoring device is just 2 inches by 2 inches and emits 940 ...
I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback