Saturday, July 6, 2013

Led drivers, Joule thief

I made a few boards of joule thief's, they can be used to light up a white led with a 1,5V battery (or even less).
Here are a few pics.

They are pretty small and can fit inside small DIY flashlights etc.

1 comment:

Anonymous said...

I bought a few of these from your ebay listing a long time ago. Any chance you will provide more?

The 3rd driver I used is still around, and works just fine still. I had a D cell powering it for about 4 years, only using that a few times to light a tent for camping

I'm in the process of re-housing that into a inspection light with a AA Eneloop for power, and a 3mm LED on the end of a twisted wire lead

I think I might still have 2 or 3 more unused, but I can't remember where I put them

Phil, USA