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Devices to interrupt or route a signal or power one of several ways.

2 votes
1 answer
770 views

Coin cell to power a 5mm UV LED?

I am a beginner with LED lights, but would like to use a 5mm UV LED to make a pendant with a small fluorescent crystal. (This is what I purchased (https://www.amazon.com/uxcell-365-370nm-Ultraviolet-E …
Devika Menon's user avatar