Joule Ringer! Light keeps going without battery.
This is the first time I have been able to keep a Joule Thief type device running a CFL on just an electrolytic capacitor.
Experiments, inventions, patents, …
by F.E.N. · Published · Updated
This is the first time I have been able to keep a Joule Thief type device running a CFL on just an electrolytic capacitor.
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