How to make selectable voltage power supply from computer CPU power supply DIY bench power supply

Hi Guys here is the new project How to make selectable voltage power supply from computer CPU power supply DIY bench power supply from Electrical and electronics projects E&EP Channel its very easy and at low investment now you can easily make your own just moving selecter to desire voltage here you have 3 in 1 Power Supply.\r
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Take 6 Yellow wires,6 Black(GND) wires,4 Orange wires,4 Red wires and take Green one to power the supply.\r
Yellow wire gives 12V DC\r
Orange wire gives 3.3V DC\r
Red wire gives 5V DC\r
Green wire is for on/off by connecting to black one.\r
Black wires are Ground Negative wires.\r
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NOTE : Discharge capacitors before attempting this and be very careful while making this unplug all power sources from AC socket and then make it thank you.The auther shall not be liable for any loss of property,loss of life if it comes to that.\r
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