Re: [CAD_CAM_EDM_DRO] computer power supply

Area51tats@... wrote:

> I am using a Packard Bell power supply model pb150. I know I know it is
> older then dirt but it should work for this project. I have tried putting
> resistors across the black and yellow leads and the fan motor spins but slows
> down almost immediatly. I tried differnet sized resistors from 100 ohm to 470
> k and it didnt seem to make a difference in how long the fan spun. Am I
> doing something wrong?

Try the resistors from black to red (+5 V). But, the resistors may need
to be about 5 Ohms at 5 W at least.

Jon