My roommate Adam told me about somebody online who had converted an ATX computer power supply into a lab bench power supply, so I decided to do the same thing. You can also check out this link for a very similar guide by their user Abizarl. For example, a computer power supply can make a great bench power supply for your workshop. Most modern computer power supplies follow the ATX convention: They output +3.3V, +5V, +12V and -12V on a series of color coded wires. DYI Links. Here are some articles detailing modification of an ATX supply to be a bench supply.
Each power rail has a corresponding ground connection; all of the power rails are brought out to a binding post. The benchtop power board should be powered by a standard computer power supply with an ATX connector. With this rev we have finally added a power switch and made each standoff to a more appropriate height to fit the mounting posts. 24V ATX Bench Power Supply. Introduction. I need 12V, 15V, and 24V DC for various projects that I am working on, so the 5V DC I have been using from my computer’s USB port is not going to cut it any longer. This is probably common for people who have programmed microcontrollers and are finally ready to hook them up to useful external circuits. ATX to Lab Bench Power Supply Conversion. In my sophomore year of college at the University of Minnesota, I started into my main electronics classes, and needed a good power supply for working on the lab projects at home in my room.
How to convert a PC Power Supply to a desktop power source. A completed 145 watt ATX power supply with switch, binding posts, labels and feet. Notice the zip ties in the ventilation slots that hold the load resistor. Find great deals on eBay for Benchtop Power Supply in Test Equipment DC Power Supplies. Shop with confidence. This item: 24-Pin ATX Benchtop Computer PC Power Supply Breakout Board Adapter SwitchWas10.24 x 10 Price:8.00 x 10. As an electronics hobbyist one of the most essential tools is a bench power supply. Instead, I opted for a more common approach: use an existing ATX computer power supply to deliver the four common output voltages of these supplies: 3.
Sparkfun Benchtop Power Board Kit
DIY ATX Bench power supply. Monday, April 20th, 2015 in ATX BB, power supply by DP. B09Y_GPCcAISa7F. LuisMirandaAceb tweeted, I started only with ATX PS and your breakout board but finally this is what I ended with. ATX Bench Supply. This is a great way to get a cheap lab power supply, and serves as an introductory project in electronics. It was actually my very first successful electronics project. Computer PSU’s supply a good range of low voltages, which is useful for all sorts of smaller electronics projects.