Looking for a simple circuit to control the light intensity of Light Emitting Diodes (LEDs) or similar lighting sources? Here is an Arduino based circuit with three independent pulse width modulated ...

Recently, we published an entry-level Arduino project with a single seven-segment LED display. Although it’s an amazing DIY project, we noted that most of the readers are looking for more advanced ...

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 ...