One of the questions that hobbyists ask over and over is how to select the value of a current limiting resistor for an LED. Usually the seat of the pants response is: “Subtract 2 V from the supply ...

Messing around with Arduino can lead to some fun projects — like simple electronic games, lighting or audio manipulation, or even gesture controls for other devices. However, you'll need the right ...

[mircemk] built a slick-looking LED tester with a couple handy functions built in. Not only can one select a target current to put through an LED, but by providing a target voltage, the system will ...

Hello!<BR>I have Baybus that cliff has build for me long time ago (12v/off/5v - blue leds)<BR>and now i want to change few things in it<BR>and i'm building my own new baybus.<P>I'm sure his much ...