Earth Battery-Joule Thief Runs 48 Inch Tube (40 watts)
This is my earth battery running a 48″ (40 watt) florescent tube. It is not at full brightness but it is lit and lit pretty well. It is much brighter than it appears on…
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For the term "supercap 9v battery circuit".
Earth Battery Lights 100 LEDs
This is my earth battery illuminating 100 leds! I am using 2 supercaps (2.3 volt, 10 Farad each) in parallel with the earth battery to my modified Fuji Joule Thief circuit. This is connected…
Jule Thief Lighting LED from supercap
This is a 2.3 volt 10F supercap which replaces my AA battery in the Joule Thief circuit. I charged this cap with a single AA battery for about 10 seconds prior to filming. I did the same thing about a week ago and the LED stayed illuminated for about 2…
Joule Thief Lights 3 leds by supercap
Here we see a Joule thief circuit operating from a supercap only. No battery included. The supercap is 2.3 volts and 10F. I charged it up for 10 seconds with an AA (old) battery. I plan on getting larger caps for future experiments. For more informatio…
100 LEDs Powered By A Supercap
I charged a 2.3 volt 10 Farad supercap with an AA battery for several seconds and hooked the cap to my modified Fuji circuit and powered it to illuminate 100 leds. No batteries included, just a single supercap. More on Overunitydotcom in the Joule Thie…
Joule Thief Supercap Effects
A new Joule Thief circuit running on 3 supercaps. (2 are 2.3v 10F and 1 is 5.5v .47F) When the supebright led (28600 MCD) burns out after a one second charge to the caps, I can touch my finger lightly to the top of the transistor (2N3904) and the led l…
Forever Clock
24/7 running digital clock, no battery ever needed. This clock normally sits on my workbench and has been running for about a week now using just ambient daylight. The Polyacene cell charges up in…