The RPR-0730 is a compact reflective optical sensor (photo reflector). It employs an infrared VCSEL, which offers higher ...

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 ...

San Antonio-DPT Laboratories, an outsourcing company for drugs and cosmetics, wanted to improve its production process in confirming that bottles delivered from its plant had the proper front and back ...