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- Sun May 19, 2013 12:03 pm
- Forum: General Discussion
- Topic: LED tester and LED flashlights using one battery
- Replies: 9
- Views: 33988
Converting a D cell flashlight to LED involves soldering a 10 mm LED into an old flashlight bulb base: Carefully break the old bulb and dig out the socket insulation enough to get to the bottom of it. Unsolder the existing wire so that a small hole can be seen through the bottom. Insert the long LE...