Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

The microcontroller-based concept was chosen because I wanted to scale the sensor system later to suit other applications. Here is the diagram of my Arduino infrared close proximity sensor. As you can ...

Arduino EMF Sensor. 23 Comments . by: Mike Szczys. December 31, 2010. Title: Copy. ... treating the recharging circuit from the emergency lights as the most likely culprit.

This digital output can be input to a microprocessor where illuminance (ambient light level) in lux is derived using an empirical formula to approximate the human eye response. Commonly available ...

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… ...

Arduino’s Plug and Make Kit lets your hacking ... eight LEDs, a proximity sensor, a motion sensor, a simple buzzer ... programmed to light up in a clock-ish ring and then play the Legend of ...