This led lamp circuit can be used as a mini led flashlight. Together with a 1.2 V rechargeable battery, all the components fit into a small enclosure. This is actually a DC to DC converter that ...

Here is one simple circuit of a general-purpose white LED security light with Passive Infrared (PIR ... on a compact size PCB together with an analog IC, SB0061, and limited components to form the ...

Guest columnist Faraz Hasan, marketing and business development manager at Tyco Electronics Circuit Protection Products says that LEDs can require overcurrent protection despite built-in safety ...

The SP6648 provides an efficient drive current for an LED flashlight using a Luxeon I light source. To view the application note, click on the URL below. Circuit selected for www.eepn.com by Rahul ...

A modern LED flashlight, on the other hand, includes a little circuit board that consists of a current regulator and a microcontroller. Yes, you read that right: we live so far in the future that ...

The circuit (see figure ... Applications include a warning light or a small flashlight. With a few standard discrete components, this LED driver can source current to a series string of LEDs.

Today you can buy flashing LEDs; a simple two-lead component that requires only a power supply to produce even flashes of light. They look for all the world like any ...

Inspired by printed circuit boards, the building block of all electronics, a Dutch designer has created an LED-based light installation that draws upon the familiar etching pattern inside most ...

I started tracing out the circuit used in this path light assembly. It appears that they used a 1N5819 schottlky diode between the solar panel and a single 1.2v NiMH rechargeable AA cell. The 1.2V ...