DIY Bench Power Supply From ATX PSU
by Eslam Eldeknawy in Workshop > Workbenches
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DIY Bench Power Supply From ATX PSU
![Untitled-1 copy.jpg](/proxy/?url=https://content.instructables.com/FJ2/RI1N/J0IEHXJB/FJ2RI1NJ0IEHXJB.jpg&filename=Untitled-1 copy.jpg)
warning never connect to ac wall plug while cover opened !!!
learn how to make an easy bench power supply from pc atx power supply it can afford -12v , 12v , 5v, 3.3v and variable 1.2v~11v
Parts:
Aliexpress
Voltage Regulator : https://goo.gl/CcUwxQ
HeatShrink : https://goo.gl/FE1Bp7
panel V/A meter : https://goo.gl/FE1Bp7
banana pin : https://goo.gl/FE1Bp7
Ebay:
Voltage Regulator : https://goo.gl/Kr8IB1
HeatShrink : https://goo.gl/Kr8IB1
panel V/A meter : https://goo.gl/Kr8IB1
banana pin : https://goo.gl/Kr8IB1
warning never connect to ac wall plug while cover opened !!!
learn how to make an easy bench power supply from pc atx power supply it can afford -12v , 12v , 5v, 3.3v and variable 1.2v~11v
Blue Prints
![diag copy.jpg](/proxy/?url=https://content.instructables.com/FJG/RKDD/J0IEHY24/FJGRKDDJ0IEHY24.jpg&filename=diag copy.jpg)
![LM317-typical-adjustable-regulator-ckt.png](/proxy/?url=https://content.instructables.com/F1I/E413/J0IEHY33/F1IE413J0IEHY33.png&filename=LM317-typical-adjustable-regulator-ckt.png)
in first pic
we will make color groups and connects each group to banana pin
then V/A meter
thin wires is 5v to 30v power
thick wires for measurements
Red : to measure voltage
Black : to common GND
Green or yellow : GND out
then we have to connect lm317t circuit to 12V yellow wire
Instructions
![How to make bench power supply from computer PSU "Music Video"](/proxy/?url=https://content.instructables.com/FN9/MWD4/J0IEHXSH/FN9MWD4J0IEHXSH.jpg&filename=How to make bench power supply from computer PSU "Music Video")
Follow this video
if you have any questions let me know it in comments
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