Posts tagged ‘Joule Thief’

Joule_Thief_Gift

Continue reading ‘Joule Thief Gift’ »

This is an experiment generating electricity from scrap metal.

Scrap CRT TV lying on the ground produces electricity as it rusts.

Scrap CRT TV lying on the ground produces electricity as it rusts.

Continue reading ‘Scrap Metal Power’ »

Made my 2nd Joule Thief today, a little different than the first one.

A rubber band secures the battery to the Joule Thief.

A rubber band secures the battery to the Joule Thief.

Continue reading ‘Rubber Band Joule Thief’ »

Maximum voltage achieved with my Joule Thief was 20.5V.

Maximum voltage achieved on the Joule Thief's output was 20.5V.

Continue reading ‘Joule Thief and Capacitors’ »

Blue LED pumping out light while powered by Joule Thief.

Blue LED pumping out light while powered by Joule Thief.

Continue reading ‘Joule Thief Powers ANY Color LED’ »

Handmade Toroidal Inductor

Handmade Toroidal Inductor

How does the number of turns in the toroidal inductor affect the performance of a Joule Thief?

Continue reading ‘Toroidal Inductors – Number of Turns Affects Joule Thief’ »

Handmade toroidal inductor for "Joule Thief" circuit.

Handmade toroidal inductor for "Joule Thief" circuit.

To make one of these, you need to start with a toroid, which is a piece of ferrite (Iron) shaped like a doughnut. You will also need wire. I used 0.3mm coated copper wire.

Continue reading ‘Handmade Toroidal Inductor’ »

A "Joule Thief" or Voltage Booster powering 2 white LED's with a single, "dead" AA battery

My first "Joule Thief" powering 2 white LED's with a single, "dead" AA battery

I’ve been wanting to do this for many months.  I finally got some scrap parts together and made my first Joule Thief.  This circuit milks the last bits of energy out of your “dead” batteries.

See the Video, pictures, circuit diagram, and observations…

Continue reading ‘Joule Thief from Scrap Parts’ »

I tried making the Joule Thief as shown in a Make video from makezine.com.

makezine.com and evilmadscientist.com

makezine.com and evilmadscientist.com

The results were not as expected, but I found a variation of the Joule Thief circuit that worked better for me.  I share some of the results with you in this post.

Continue reading ‘Joule Thief from Make Video Doesn’t Work for Me’ »