LED Flashlight Review – AA Models


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Years ago I posted my thought on The BEST LED Flashlights.   Unfortunately a few things have happened since publishing that post: 

LED Boost Circuit – Joule Thief


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The Nifty-Stuff LED Boost Circuit / Joule Thief is a device designed for two purposes: 1) To suck any and all traces of juice from your “dead” batteries. 

LED Tap Lights


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I’ve had a lot of fun making up many different versions / modifications of these tap lights (also called touch lights, push lights, closet lights). Over the months I’ve received requests to make custom modified LED tap lights. I noticed that on the net there aren’t many options available for LED Tap Lights or an Read More …

Constant Current Bright LEDs


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Led’s are a great solution when replacing incandescent bulbs in many applications. One problem is that LED’s don’t like changes in voltage & current. For example, the voltage from a car battery can fluctuate quite a bit from 11 – 14 volts and this can be a big problem for an LED.  If you design Read More …

Honda LED Dome Light Conversion


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This was actually one of the first LED conversions that I did, but I never posted it because I’ve been wanting to re-do it to make it nice and pretty.  The problem is that it works so well that I haven’t been pressed to make any changes.  This being the case I’m posting the modification Read More …

Custom LED Lighting


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In addition to the LED tap lights I’ve made, I’ve also received requests for some custom LED lighting applications. I usually use bright white LEDs or the bright blue LEDs for these projects but have many other colors to choose from. For most of these applications a very special circuit was designed to run the Read More …

The BEST LED Flashlights


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There are a TON of LED flashlights out there, but this one is my favorite: The Dorcy AAA LED Flashlight Here are my criteria in rating this flashlight: Price Battery Type Runtime Brightness The price is a major factor to me because I have a habit of either loosing, braking, or giving away flashlights. Battery Read More …

Converting Mini Tap Light to LED


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Buy Pre-Made Tap Lights Here PROBLEM: The Mini Tap Light puts out too little light and drains too much juice! SOLUTION: Replace the crappy little excuse for a bulb with EIGHT bright LEDs. MATERIALS: 4 – bright white 3mm LED’s: 3mm, 3.3V, 30mA 4 – bright blue 3mm LED’s: 3mm, 3.3V, 30mA 1 – Mini Read More …

Modification of Dollar Store 4-AA Flashlight To LED


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I wanted to do a conversion / modification of the flashight I found at the Dollar Tree. I based my mod on this page: http://lambda10.tripod.com/8led.htm MATERIALS: 8 – bright White 5mm LEDs: 1 – Dollar Tree 4 – AA Flashlight 8 – 30 ohm resistor. Misc. wires, solder, etc. Here is the flashlight prior to Read More …

LED Projects


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In July 2003 I bought about 120 LEDs and have since been converting everything I can get my hands on. I’m not an electronics buff, but I love to tinker. Below are the very first mods I made: The LEDs that I work with are the standard bright white or blue LEDs, the specs are: Read More …