If you’re working with 3.3V or 5V circuits, it’s easy for you to throw on a power or status LED here or there. [Tom Gralewicz] has found himself in a pickle, though, often working on projects with ...

Using a few diodes and a LED, you can make a nice indicator as shown in associated schematic diagram that can be used for a lot of applications (with a bit of luck). It’s quite suitable for use in ...

The light-emitting diode indicators, positioned just below your HP laptop monitor, report the status of the computer and its hardware. The LEDs can be useful for determining at a glance whether the ...

If you are experiencing issues with your ASUS PC, you can troubleshoot the problem by viewing the status of the Q-LED indicators. This article shows how to troubleshoot ASUS motherboard with Q-LED ...

Most engineers are quite familiar with typical low-power-indicator LEDs, whether they be surface-mount or the classical through-hole packages. All that's needed to use them is a voltage source and a ...

Signalling your intention clearly is an important primary safety device, which is why many modern motorcycles come with LEDs to improve visibility. Light emitting diodes (LEDs) are ultra-bright, draw ...

Recently, I wanted to build a Sleepy-LED Eye as an add-on indicator for a small personal project. My idea is a near-replica of the iconic breathing pattern used for the “sleep” indicator in Apple ...