EDN

Arduino IR Proximity Sensor

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 ...
Geeky Gadgets

ArduIMU V4 Arduino Based Integrated Measurement Sensor Unit (video)

Makers and developers that have already used the original ArduIMU or who are looking for a fully capable Arduino based wireless Integrated Measurement Unit (IMU) packed full of useful sensors. Are ...
EDN

Digital RPM Counter Intro

Hello everyone! Today I’m going to discuss a cheap type of useful digital rotation per minute counter (Digital RPM Counter). The 4-Digit LED Display RPM comes with a magnetic proximity sensor switch.
University of Wyoming

Proximity Detector

This project is a simple modification of the LightGauge project. Instead of measuring light, we measure the ambient voltage field on pin A5 and use it to detect if someone is too close to our Arduino.