Thingiverse
ATX Bench Power Supply by robertguy
by Thingiverse
Last crawled date: 3 years ago
This is a case for a bench power supply that uses a standard ATX computer power supply and a DPS 5005. I really wanted to make a cheap bench power supply for use with my electronics project. This design allows you to use the 12v, 5v, 3.3v from the ATX PSU and the DPS 5005 for a variable output from 0-11.1V. The DPS 5005 gives you constant voltage and current modes, as well as various protection features.
I hot glue the led, usb jack and nuts in place. Then used quick disconnects for the on/off switch and ring terminals for the banana jacks. The led and usb connections were soldered.
Parts List:
DPS 5005
Banana Plug Jack
On/Off Switch
Female USB Socket
I got these at Home Depot, but here are some examples for reference.
Ring Terminal for back of Banana Plug Jack
Female Quick Disconnect
four #4-40 x 3/8 in screws and nuts
Rubber Standoff, I had some old ones laying around. I can't find them online though.
your choice of LED and appropriate Resistor for 5v.
Power Resistor. Maybe. It seems newer power supplies are stable without a load on it, but if you use an older one you might need this. If most of your power is on the 5v rail, you need about 10Ω 2.5w. If most of your power is on the 12v rail, you need about 24Ω 6w.
Tools:
Hot Glue Gun
Soldering Iron
Wire Cutters/strippers
Crimpers
Screw Drivers
Good References:
Make: Turn a Computer Power Supply into Bench Power
Search Youtube: "GreatScott! DIY Lab Bench Power Supply"
Instructables - GreatScott! DIY Lab Bench Power Supply
I hot glue the led, usb jack and nuts in place. Then used quick disconnects for the on/off switch and ring terminals for the banana jacks. The led and usb connections were soldered.
Parts List:
DPS 5005
Banana Plug Jack
On/Off Switch
Female USB Socket
I got these at Home Depot, but here are some examples for reference.
Ring Terminal for back of Banana Plug Jack
Female Quick Disconnect
four #4-40 x 3/8 in screws and nuts
Rubber Standoff, I had some old ones laying around. I can't find them online though.
your choice of LED and appropriate Resistor for 5v.
Power Resistor. Maybe. It seems newer power supplies are stable without a load on it, but if you use an older one you might need this. If most of your power is on the 5v rail, you need about 10Ω 2.5w. If most of your power is on the 12v rail, you need about 24Ω 6w.
Tools:
Hot Glue Gun
Soldering Iron
Wire Cutters/strippers
Crimpers
Screw Drivers
Good References:
Make: Turn a Computer Power Supply into Bench Power
Search Youtube: "GreatScott! DIY Lab Bench Power Supply"
Instructables - GreatScott! DIY Lab Bench Power Supply
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