Car Battery FYI

[thcardoc]

Here is one schematic for making a dynamo out of a stepper motor.

http://www.extremecircuits.net/2010/...generator.html

For those who want to study more about electronics, click on a few of the links on that site.

This link will take you to a you tube video on stepper motor generators, plus add a lot of similar videos to the list. Some are pretty good, some well let's just say entertaining. This one is interesting in itself as he has a steam engine driving it.

http://www.youtube.com/watch?v=69M0fvPNVKg

After the rectifier he would have pulsed DC, before the rectiifier it is AC coming out of the stepper motor. His voltage outputs are being taken with a very small load (high resistance/low current) The greater the load, the lower the output voltage would be.