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[...] I'm thinking of just using a computer power supply and regulating the 12V line down to 7.5V and calling it a day. Problem is...I don't know how to do that.Does anyone:a) Have links to tutorials I can use to build it?b) Have a better option that doesn't use batteries?
Hi,The few modify-a-PC-PSU-tutorials I've seen have been highly specific towards a particular make and model and if what you've got is different, it won't help you any.
I used an old dell power supply to make a desktop power supply. (I can see you imagining me burning my house down now...)
You should be able to find a tutorial on your computer power supply (or at least your brand).
[...] it's all heat shrunked (it's a word... maybe)
Taking the 12 Volts down to 7.5 Volts may be your hardest problem.