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| Tips, Techniques, and Questions -- Technical questions or tips |
2010-03-11, 8:32pm
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Senior Member
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Join Date: Dec 07, 2006
Location: Scappoose, OR
Posts: 1,445
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Questions about rectifiers
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Angela Kane
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-One of a kind boro frit blends!
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2010-03-11, 8:49pm
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honorary bead lady
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Join Date: Jan 14, 2008
Location: Mostly the doghouse
Posts: 5,180
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#1 yes
#2 no
#3 no
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David
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2010-03-11, 10:39pm
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Senior Member
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Join Date: Dec 07, 2006
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Thanks David!
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Angela Kane
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-One of a kind boro frit blends!
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2010-03-11, 11:12pm
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honorary bead lady
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Join Date: Jan 14, 2008
Location: Mostly the doghouse
Posts: 5,180
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David
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2010-03-12, 5:46am
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old fart
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Join Date: Apr 18, 2006
Location: st paul mn
Posts: 778
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1 yes
2 no
3 yes
you can make your own rectifier easily using an old desktop computer power supply. there are a variety of voltages available including 3.2, 5, +-12 volt. if you use the 5 volt (red) as the +, and the 3.2 volt (orange) as the - for your electroplater, you get the difference of 5-3.2 volts or 1.8 volts which is just about perfect. above the ionization potential of the plateing solution but with enough current that you won't be limited by the supply. there is a wire that activates the power supply when it is grounded, i believe it is purple.
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Mark Wilson
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2010-03-12, 7:33am
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Karen James
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Join Date: Mar 22, 2006
Location: Rhode Island
Posts: 599
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#1 is very much like the one I have. Digital display, easy to use. Good choice.
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Karen
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Cricket, Mini CC, Devilbiss MC84 Oxy and NG
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2010-03-12, 10:26am
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honorary bead lady
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Join Date: Jan 14, 2008
Location: Mostly the doghouse
Posts: 5,180
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The reason #3 is no... you cannot adjust the current so you have no control over how grainy the deposit will be.
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David
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2010-03-14, 2:02pm
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Southeast Alaskan Artist
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Join Date: Oct 17, 2009
Location: Ketchikan, Alaska
Posts: 14
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atx power supply
Here is a diagram showing the wiring layout for a standard ATX power supply, to turn on the power supply manually (without being installed in a PC) you bridge pins 14 & 15 as shown by the red line in the picture below
In my case at least the PS_ON# lead is green, it can be grounded to any of the COM or black wires to turn on the PSU.
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