A digital camera has an array of sensors that captures light reflected or transmitted onto it. This build is something closer to a reverse camera – a single sensor that makes images on a matrix of ...

A rduino boards are a popular choice for DIY electronics, but it's not always clear how to get started with building projects ...

Expanding the company's line of infrared phototransistors are devices that provide silicon phototransistor and photo-Darlington outputs, available in miniature surface-mount packages for ...