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Stop fumbling around for a 3V battery, build your own LED tester, and freshen your breath while you are at it! Let's get started.
You will need: Altoids Smalls tin: ~$1.50 at a drug store. Or buy them in bulk on Amazon. (1) Wire Housing: $0.13 at Mouser.com (2) Wire Header: $0.14 ...
Find the two metal wire headers, and fold them back and forth until they are apart. In order for these to fit in the plastic housing, you will ...
Take your first piece of hookup wire, and solder it to the portion of the wire header that has a lane for the wire to rest in. Solder ...
Now solder the opposite end of each hookup wire, to leads (or holes) on your 3V Coin Cell Battery Holder. Make sure the 3V battery is not in ...
Now take your rotary tool and drill a hole roughly 75% of the total circumfrence of your rubber grommet. Drill one small hole intially, and then, as needed, ...
Insert a 3V coin cell battery into the battery holder, secure everything inside of the tin, close the tin, and you are done! Find an LED with a ...
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