How-To Geek on MSN

These are the first projects I made with my Arduino

One of the first projects that most people do on an Arduino is to light up or flash an LED. It seems ultra-simple because it ...
University of Wyoming

LED Matrix

Most of us have an 8x8 LED matrix from one of our Arduino kits. What can we do with them? This module investigates how to use these interesting devices. Along the way, we describe a fun electronics ...
Ars Technica

Promise Ultra66 LED pinout?

does anyone knonw the voltage on the LED connector on the promise ata66 card?<P>i have an LED i want to attach (blue 3.7v from radio shack, or a 12V green if that won't work) but i don't want to blow ...