It should go without stating that this will void your warrantee. Power supplies are essential for at home tinkering and electronics hacking.
Dbl494 chip on the atx power supply.
Atx power supply hack. This project takes a slightly different approach by using a female atx adapter which allows you to plug in any psu into the brick. Now, test your atx power supply first before you hack it. The shutdown feature on the ir2153 can be used to regulate the voltage at the output of the power supply, for this a tl431 regulator will be used to give isolated feedback through an optocoupler to the ir2153 telling it to stop switching the mosfet’s once the output voltage of 24volts is reached.
How to hack a computer atx power supply: I found this implementation very interesting. [tg] didn’t just cut off the motherboard connector and add banana.
Purchase an atx power cable extension kit. Now, test your atx power supply first before you hack it. The basic idea is to find the pin on the regulator that reads back the voltage from the output.
Support me for more videos: Hi, nice job on hacking this atx power supply! Hi everyone, this is my first instructable and it's about how to hack an atx computer power supply and then put it in a nice little case so it's ready for use.
Atx power supply if you like playing with lab instruments, enjoy to make things and design electronic stuff, you are probably attracted from the idea of create a new powerful (with some limitations) bench power supply by. If there is problem at least it is still under warranty. Anyway you can hack your smps to raise the output voltage upto 13.8v, or so, but with great care!
Being a budding beginner hobbyist in electronics with about a year blindly stumbling about with arduino and esp8266, just completed my dyi third hand i figured i am committed enough to have a stab at the mandatory atx to bench power supply conversion so my plan is to use an old atx case from a pc and an old atx power supply both of i which i have plenty of. Encyclopedia of atx to bench power supply conversion : I have made several of these before and decided to make an instructable about it.
I’t had a tl494 chip and i used a 10 turn potentiometer so i can regulate it. In order to do so, you will have to short the green wire that goes inside the big connector to ground (ground can be any of the black wires). All atx power supply will have voltage and power ratings printed.power rating will be different for different.
I have two atx power supply in my lab. It should be interesting to both those who want to do a conversion, and to those intere… I am using an atx power supply to drive a 12v car audio amplifier.
The power supply should turn on. Making an atx power supply work at 13.8v has been thoroughly discussed. If there is problem at least it is still under warranty.
One is a bit old which i took from my colleague desktop computer:). There's a lot of great material online covering how to convert an atx power supply into an electronics lab power supply. Unfortunately, they’re really quite expensive, and a bit out of reach for most hobbyists.
One is a bit old which i took from my colleague desktop computer:). I have 2 old power supplys witch i want to convert, i’ve already converted one successfully. I have two atx power supply in my lab.
I had my atx on my working bench serving as a power supply, but with a lot of messy wires comming out, so i decided to mod it to have 5 output only: How to hack an atx power supply into a dc bench power supply! Some weeks ago i got myself an old unit and decided to hack around and see what happens.
Here’s a fancy way to convert an atx powers supply into a bench supply. This guide has almost every atx computer power supply to bench power supply published to date on instructables ( as of dec 2014, about 70 unique instructables). Check the voltage for each wire.
These normally expect you to cut into the actual enclosure of the unit.