[Tim]’s Dice10 is an exercise in minimalism. Building an electronic dice using an ATtiny10 with code that fits within 1kB is not too difficult. Charlieplexing the LED’s would have used three of the ...

Something odd here. The Front Panel connection block on my Foxconn 955X7AA has basically 8 pins.<BR><BR>PWR LED - Pins 1-2<BR>PWR SW - Pins 3-4<BR>HD LED - Pins 5-6<BR>REST - ...

Microcontroller port pins can typically be driven either high or low, or else be put into an "input" or high-impedance state. This circuit uses the three states to drive two separate LEDs with one ...

I made this Arduino 8 bit binary led counter as a solution for one member from Arduino forum. He asked if somebody can make a project that displays a decimal number in 8 bit binary format using 8 leds ...

There is usually a pin-out on the SCSI controller. Just connect the IDE HDD LED and enjoy. If you are already using this LED for another IDE device, go buy a new one and drill a hole in the case to ...

I’m a big proponent of DIY PC building and I tend to describe it as “relatively straightforward.” For the most part, everything just plugs in where it should. But there is one aspect of putting ...

LED applications are booming: backlighting for LCD TVs, projectors, and computer displays, camera flashes, and vehicle brake lights and taillights are just a few. All require constant-current LED ...