Introduction: How to Use an Old SMPS As a Power Supply Unit for Testing

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About: This is Vishnuprasad J N working as Sr Design Engineer-Electrical in Reputed industry more crazy on development of new project using the electronic and micro controller

Using an old SMPS as power supply unit at 0.47usd

Step 1: Step-1

Remove the old computer SMPS

Step 2: Step 2 Remove the All Cables

First remove all coluor cables like yellow,red ,black

fix it in the top of SMPS

connect switch in between green wire (PS-ON) and black wire (Common-0VDC)

From this SMPS

We can take +12VDC, 5VDC, 3.3VDC,-12VDC

Step 3: Complete Steps

Testing power supply

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