We know that measuring the speed of light with an Arduino is possible. It’s just that the implementation is hard. Last month we saw [Udo]’s blinkenlight shield that can be used as a lin… ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses Arduino Duemilanove microcontroller board. Two wires placed in the soil pot ...

PHIL is a light tracking robot who is perfectly happy to do it the old-school way. PHIL consists of an Arduino Uno running a twin-servo motion platform, providing the sensor head with pan and tilt ...

Theremin – Simple Build 1 Now you can build a simple Light/Optical Theremin next to nothing. Thanks to the support of the Arduino microcontroller – very few external parts are needed! First, note that ...

STMicroelectronics has introduced a multi-spectral ambient light (plus UVA and near-IR) sensor, with flicker detection, in a package smaller than 1mm x 2mm. Applications are foreseen with phone ...