A popular series of inexpensivedistance sensors integrates aninfrared emitting diode, a linearcharge-coupled-device array, and asignal-processing circuit in one unit.The output is a dc voltage, V S, ...

Sometimes, it’s time to shut down the oscilloscope, and break out the cardboard and paints. If you’re wondering what for, well, here’s a reminder of an Instructable from [CrazyScience], that brings us ...

AutomationDirect has expanded its photoelectric sensor offering to include OPT series short and long range distance sensors. Available with either Class 1 or Class 2 laser options, the distance ...

Leddar, short for LED Detection and Ranging, is a new type of detection and ranging sensor that uses LEDs to detect objects and determine their distance. While the Leddar is low resolution, it is also ...

Over the last decade or so, we’ve been inundated with appliances with wireless or “smart” technology that is often of dubious utility. No one really needs a tablet in their refrigerator or Wi-Fi on ...