| The small super-bright Luxeon LEDs from Philips are suitable for many applications, including small but handy (that is, bright) pocket torch...
More about LED (745)
| The PR4401 chip from Prema can be used to drive an LED directly, but not a high-power LED like one of the popular 1-watt types currently ava...
| A simple LED driver circuit specially designed for use on a bicycle, with battery or dynamo powering.
| A traditional hand-held torch could hardly be described as a cutting-edge piece of technology; in fact it's probably the exact opposite,...
| This is the first instalment of a three-part series which will introduce the fundamentals of programming a microcontroller in C. You can imm...
| The new evaluation board for the PIC24F 16-bit microcontroller family is supplied in a DVD box and has a very comprehensive set of features....
| Atmel’s 8-bit AVR microcontrollers lost their novelty value rapidly to become an established cornerstone of many Elektor projects over the y...
| OLEDs are hot news these days and rightly so, considering the new opportunities and applications they offer. It’s not all plain sailing, how...
| Seemingly straightforward projects can turn into a ‘money pit’ or ‘component graveyard’ if you are not careful. This can easily come true if...
| In the process of designing a LED driver circuit, various things can go amiss. To help the designer understand what is happening, a simple S...