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galveston
May 7, 2009, 10:20 AM
What I need is a simple schematic for a square wave generator that will operate on 12V DC, draw 25A, have a frequency of 20K or so, and have a control to vary the on/off time.

I need it to drive the electrodes for a HHO generator.

The main problem for me is getting the technical names for the components so that I can buy them. Also the values for resistors and capacitors.

Anyone out there willing to lead me by the hand on this project?

Any and all help much appreciated.

PS. I can receive drawings in AutoCad 14