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Showing results for tags 'quick light using LED'.
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Ernie Martel convinced me to buy a Luthier light, which I will do, however, meantime, I need to fit a soundpost. The auto repair light I was using has a stiff wire, so that it can EASILY damage the f-hole edge. I looked at this thing and decided to try an LED from Radio Shack. Lo and behold, it needs 3.2 volts, which is exactly two AA batteries in series. I got some small diameter insulated wire. Put the batteries end to end, taped together. Cut away the insulation on the ends of the wire. Solder the wire to the LED. Make or find a plastic tube for the batteries. Put a wad of paper towel in the bottom of this tube to act as a cushion and spring. Now just tape the wires to the + and - terminals of the battery pack. You will see that just by pressing the batteries together contact will be made and the light will go on. I used a rubber band to hold the thing "ON". Now, this is NOT a competitor with the Luthier light sold by our MNET member fiddledoug here. My design works for me because I only use it occasionally. A working luthier needs something more robust and less finicky. But the LED only cost 5 USD at Radio Shack. I am sure it is dirt cheap somewhere else.