microscope led light circuit

LED Light Source for Microscope

T.K. Hareendran - 04/28/14

Here is an economical way to experiment with light, color, and optics. You get one Red LED light [...]
led multicolor flashing globe circuit

Crazy Multicolor Flashing LED Globe!

T.K. Hareendran - 04/17/14

Nowadays, single-color and multi-color flashing LEDs are easily available, which obviates the requirement of external chips to produce [...]
Triac light Dimmer Active Reset Schematic

TRIAC Dimmer with Active Reset

Jim Keith - 04/01/14

This light dimmer control has active timing capacitor reset or AC line zero-crossing synchronization. The 13 additional components [...]
Triac Lamp Dimmer Schematic

TRIAC Dimmer Avoids Snap-ON

Jim Keith - 03/30/14

We are all familiar with the snap-on phenomenon of inexpensive TRIAC dimmers that are often used to control [...]
automatic bathroom light circuit

Automatic Bathroom Light Switch

T.K. Hareendran - 03/14/14

Here is a simple and low cost automatic bathroom light circuit. The light automatically turns on when the [...]

LED Book Light v1.0

T.K. Hareendran - 03/06/14

Flexible design of the compact and light weight Travel Book Light presented here provides extra light for reading [...]
light dimmer circuit

220V Light Dimmer Switch Circuit for Bulbs

P. Marian - 03/05/14

Hi guys, just a short article about a light dimmer switch that I opened a few days ago. [...]
Arduino lights circuit

Arduino Camping LED Light

T.K. Hareendran - 02/12/14

Here is a simple Arduino Camping Light project. In this design, only one push button switch is used [...]
high power led dimmer circuit

High Power LED Dimmer Circuit

P. Marian - 02/07/14

I made this dimmer circuit because I have a cheap chinese LED lamp that doesn't have the option [...]
Solar Rock LED Schematic

Solar Rock Pathway Lighting

Jim Keith - 01/08/14

This is a detailed analysis of an inexpensive solar powered pathway lighting device. It consists of a small [...]

Emergency Vehicle LED Light

T.K. Hareendran - 12/27/13

Described here is a low-component count Emergency Vehicle LED Light circuit which can be used for capturing the [...]
Twinkling LED Xmas Star Schematic

Twinkling LED Christmas Star

T.K. Hareendran - 12/23/13

Xmas is just round the corner, and this is the right time to build your own festival lights [...]
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