The new 24 page color catalog features their complete LEDCO product line of high quality LED, neon and incandescent indicator lights. The catalog is an easy-to-use reference for sourcing industry ...

Las Vegas, NV (April 5, 2006) – Dortronics Systems Inc. is showcasing custom designed door entry solutions at this year’s ISCW. Among the many solutions offered is the 7201 Series High Intensity ...

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 ...

I needed a simple LED indicator showing that a particular voltage level had been reached—specifically, that a capacitor had charged to a particular potential. I was convinced that there must be a way ...

Wilbrecht LEDCO, Inc., announces the CRM series rear mount panel LED indicators, environmentally sealed for use in harsh conditions or outdoor applications. Assembled with daylight readable LEDs, the ...

Recently, Dortronics received a request to design and manufacture an indicator that could be mounted near card readers to clearly indicate when individual doors were open or locked. The problem arose ...

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 ...

Modern Wi-Fi routers give you a lot to work with in terms of troubleshooting issues at home. This is mainly in the form of various LED (light-emitting diodes) indicators that flash to show what ...

This LED DC voltage indicator circuit is a voltmeter, rather than simply a battery tester. As such it may measure voltages as low as 3V. It utilizes venerable LM741 operational amplifiers applied as ...

There are now numerous "smart" bike helmets available, most of which incorporate remotely operated LED turn indicators. Well, if that's the feature you really want, Blinxi lets you add it to your ...