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dloftus | all galleries >> How to make a LED Flashlight bulb - for 2, 1.5 volt batteries (3 volts total) > Tin the LED lead
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Tin the LED lead

Tin the LED lead

Tinning is the act of pre-soldering the connection so the joint will be easier to solder. Put some solder on the tip of the soldering iron and then touch it to the leg you are tinning. Keep this step as short as possible to you don't heat the LED up too much. It only takes a few seconds.


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