I have a stand alone 110v AC to 14v DC power supply. This is a stand-a-lone unit not a computer component. Anyhow this power supply is not variable. I need less voltage for a project I'm working on. I'd love to make it variable from 0v to 14v. What can I do to lower the voltage?

4/10/2007 8:51:42 PM

get a variable one rom radioshack for like 10 bucks?

or chain a resistor to it one of the variable kinds.

how much current do you need it to handle

4/10/2007 9:03:20 PM

<1 amp

4/10/2007 9:05:43 PM

yeah buy one it be easier. i think they handle like 500-800 mA

4/10/2007 9:06:27 PM

what kind of wattage does it have and where did you get it?

4/10/2007 10:05:16 PM

I found it at an old technology lab at a school. Don't know the wattage but this thing looks Heavy Duty.

4/11/2007 5:41:22 PM

you would need to be familiar with switching power supply topologies before you go tweaking a feedback reference


i recommend buying one

[Edited on April 11, 2007 at 5:58 PM. Reason : .]

4/11/2007 5:58:31 PM