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OK. This was my first ever mod. Get a PR Base
flashlight bulb. Simply break out the glass with a pair of pliers.
Wrap a napkin over the glass to prevent pieces from flying all
over the place first, and hold over a trashcan. Then get a drill
with a bit about the same size as the inner diameter of the
base and drill out the epoxy inside. De-solder the bottom of
the bulb so you have a hole. Cut the positive lead of the LED
just above the little standoff tabs and attach a 1/4 Watt resistor.
The tips and tricks page shows you how to calculate the proper
resistance for the Voltage you have in the flashlight. Now bend
the LED leads so the resistor lead goes through the hole and
the negative LED lead is bent up and over the edge and rests
on the edge of the base. Trim and solder. That's it! Fill with
glue if you like. |
| Use the same technique for the 3 led's. You need
a resistor attached to each LED. Be careful the positive and
negative leads don't accidentally touch. Coat the positive leads
with clear fingernail polish or liquid electral tape. These
leds are available from whiteleds.net. |
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Here is a shot from the end - you can see that
I used a spiral arrangement for the leads. Pre-tinning the top
lip of the bulb base REALLY helps the solder connections! |
| An Energizer ArcWhite - Was on clearance at WalMart
for 9.50. Still 16.00 at Lowes. |
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And here is the reflector end with the mod. installed.
I had to file the outer edges of the 3 LEDs in order to make
it fit, but filing the SIDES has no effect on light output.
Just don't mar the TOP! |
