I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. ... Here is the diagram of my Arduino infrared close proximity sensor ...

The entire electronics (except the infrared proximity sensor) can be assembled on a flake of standard perforated circuit board. The next steps are to build a box for it, and to prepare a mounting ...

Posted in clock hacks Tagged Circuit Sculpture, Feather huzzah, featherwing display, IR proximity sensor An Arduino-Free Automatic Alcohol Administrator April 5, 2020 by Kristina Panos 30 Comments ...

Intersil’s ISL29015 light sensor/proximity sensor uses up to five times less board space and six times less current. The device comes in a tiny, clear 2mm x 2.1mm package and consumes only 50 ...