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[SOLVED] Can I use a computer PSU to power a car trailer light tester?

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rizzy_dascal

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Hi

I am building a car trailer light tester, and I wanted to know if I could use an old computer psu to power the project directly with no other components ie the 12 volts to power the trailer lights under test and the 5 volts to power the microcontroller ?

Also if this is possible could the different 12 volt plugs be connected in parallel to give more power ?


thanks in advance
RD
 

Re: Can I use a Computer PSU

Yes, you can use it. Just pay attention on PSU 12V current capabilities and your current needs. Short green and black to turn on PSU.
 

Re: Can I use a Computer PSU

yes i used it also .
 

Re: Can I use a Computer PSU

Hi,

thanks for the info guys, I have it up and running now...

cheers
Rizzy
 

Re: Can I use a Computer PSU

Dont forget to use flyback diode for some coils such as relays, or you will shutdown PSU.
 

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