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Step by step instructions how to make your own LED light bulb for about $3. To make your own LED light bulb, you will need a soldering iron and some solder, some LEDs and a pre-drilled circuit board. You will also need an old, burnt out incandescent light bulb. To make a LED light bulb for about three dollars, look online for bulk LEDs.
This is a great project if you want to save money, LED’s pretty much last forever. Theses could even be powered by solar powered batteries. These use less power than normal bulbs and very efficient. See how to make these below: