USE POWER SUPPLY WITHOUT PC

[Alex]

I have an older poxer supply from an old pc(250W).I would like to use this to supply a peltier.How can I modify it,so I can use it without connecting to the motherboard???

 

[KILLorBE]

Welcome to the forum Alex

Have a look here.
That should answer your question.

 

[wild_andy_c]

AT or ATX ?