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. ... Apart from the Arduino UNO, the circuit ...

This sensor only responds to 38 KHz modulated infrared light which makes it immune to disturbance caused by the ambient light. Specifications of a typical Digital Infrared Proximity Sensor module is ...

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 ...

Possible applications for the IR Detector proximity sensor include: – Reflective sensor for hand dryers, soap dispensers, water faucets, and toilet flush valves. – Security and pet gates.

Posted in Arduino Hacks Tagged A4988, arduino, dispenser, ir sensor, label, NEMA-17, stepper motor, sticker Tiptoe Through The Tulip Mania February 3, 2020 by Kristina Panos 4 Comments ...