A lot of the frenzied last minute speculation leading up to this morning’s Apple Tablet announcement is either going to look eerily prescient or downright silly in just a few hours time, but here’s ...

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.

The detector is intended for the recognition of obstructions at distances of a few millimeters to a few centimeters. Similar detectors are used in the industry and health services, for instance, to ...

The many uses of optical proximity sensors. How a tiny optical sensor eases many application challenges. Why a digital sensor output simplifies design-in. Proximity sensors are literally and ...

Choosing the correct output mode on a photoelectric sensor is critical to reliable machine operation. A simple configuration ...