Arduino – Using an LED as a light sensor (photodiode)

Wednesday, May 13th, 2009 Posted in diy, electronics | Comments Off

My first attempt at using the Arduino (Duemilnove). This sketch is based on this and that but mine uses 2 LEDs, one for the sensor and one for the ... Read more..

Laser Listening Device

Friday, December 21st, 2007 Posted in electronics | Comments Off

Laser Snooper Circuit Step down transformer Introduction: This project was based on the project by Chuck Clark and Sam Ralston last Fall. I have been interested by this project when I saw this in the ... Read more..