Experiments, inventions, …

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Joule Thief Muller Dynamo

Joule Thief Muller Dynamo
Joule Thief Muller Dynamo
Joule Thief Muller Dynamo

This is my Muller Dynamo testing unit using two paralleled Joule Thief circuits as drivers. Instead of using the standard Joule Thief coil I simple used the paired up diver coils on the Muller. This arrangement runs on very low…

25 May 2011 at 03:55 · Comment

DIY Super Joule Ringer 2.0 "Tuned"!!! Parts common! 16-20w!! 15.00 cost! lights 6-9 LEDs

DIY Super Joule Ringer 2.0 "Tuned"!!! Parts common! 16-20w!! 15.00 cost! lights 6-9 LEDs
DIY Super Joule Ringer 2.0 "Tuned"!!! Parts common! 16-20w!! 15.00 cost! lights 6-9 LEDs
DIY Super Joule Ringer 2.0 "Tuned"!!! Parts common! 16-20w!! 15.00 cost! lights 6-9 LEDs

This is another variation that’s a little cheaper to build and will give just a bit more light, but does not have charging. So, this is a Super Joule Ringer 2.0, but Tuned. I had to change the caps a…

17 May 2012 at 08:00 · Comment

Ramblings and notes with Super Joule Ringer 2.0 design

Ramblings and notes with Super Joule Ringer 2.0 design
Ramblings and notes with Super Joule Ringer 2.0 design
Ramblings and notes with Super Joule Ringer 2.0 design

Prolly the closest I will get to an accurate Lasersaber replication of the Super Joule Ringer 2.0. A friend of mine wound this who doesn’t do electronics and I think that’s pretty cool. He wanted me to show this design…

14 May 2012 at 21:34 · Comment

Jule Thief circuit lights 100 LEDs on single AA battery

Jule Thief circuit lights 100 LEDs on single AA battery
Jule Thief circuit lights 100 LEDs on single AA battery
Jule Thief circuit lights 100 LEDs on single AA battery

This is the modified Fuji AA circuit running 100 leds. The amazing thing is that the AA battery alone will not even light up one of these leds. More to come from Pirate Labs. Check out the Joule Thief topic over at overunitydotcom.

12 January 2009 at 08:53 · Comment

The "Cool Joule" LED circuit

The "Cool Joule" LED circuit
The "Cool Joule" LED circuit
The "Cool Joule" LED circuit

This is a variant of TinMan’s “Cool Joule” circuit. It is an LED light circuit that charges at the same time that the light is being powered. The circuit is simlar to a “Joule Thief” but the two inductors do…

2 May 2013 at 03:25 · Comment

Jonnydavro’s Reverse Joule Thief

Jonnydavro's Reverse Joule Thief
Jonnydavro's Reverse Joule Thief
Jonnydavro's Reverse Joule Thief

This is a replication of Jonnydavro’s “Reverse Joule Thief”. It is an LED oscillator that will run at under 100 millivolts. I show it here with a microwave oven transformer but the circuit will also operate on other transformers. The…

7 July 2012 at 04:24 · Comment

Cree 60 Watt LED Driven By Joule Thief Circuit.

Cree 60 Watt LED Driven By Joule Thief Circuit.
Cree 60 Watt LED Driven By Joule Thief Circuit.
Cree 60 Watt LED Driven By Joule Thief Circuit.

This is a 60 watt equiv. LED bulb that uses 9.5 watts when driven by the mains. It is rated at 800 lumens and is the best LED bulb I have tested to date. Skywatcher over on Overunity.com in the…

7 July 2013 at 20:40 · Comment

Joule Ringer! Light keeps going without battery.

Joule Ringer! Light keeps going without battery.
Joule Ringer! Light keeps going without battery.
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.

29 December 2010 at 19:58 · Comment

Pirate Labs Joule Thief 100 LED Bench Light

Pirate Labs Joule Thief 100 LED Bench Light
Pirate Labs Joule Thief 100 LED Bench Light
Pirate Labs Joule Thief 100 LED Bench Light

This is a workbench light made from a string of 100 LED Christmas lights. I run it from the mains when hung over my bench with neo magnets but it also runs on my portable Joule Thief power box. I…

9 June 2013 at 19:24 · Comment

LED Bulb Comparison – Compare the brightness and color temperature of these LED bulbs – Part2

LED Bulb Comparison - Compare the brightness and color temperature of these LED bulbs - Part2
LED Bulb Comparison - Compare the brightness and color temperature of these LED bulbs - Part2
LED Bulb Comparison - Compare the brightness and color temperature of these LED bulbs - Part2

More Infos at: http://www.overunity.com LED Bulb Comparison -Compare the brightness and color temperature of these LED bulbs – Part2/2 Unfortunately my camera was not the best with its automatic gain control to film these LED light bulbs, but I hope…

1 February 2014 at 06:08 · Comment