This is pretty durned neat. I use a standard bench power supply when doing geektinkering. It has a dial for 9v, 12v, etc, and has the normal banana-posts for connecting up power leads.
Some bright folks noted that PC power supplies, which are a dime a dozen, are +/- 5v and +/- 12v already. Why not just scavenge a power supply, put contacts on it, and use it as your bench PS?
I have to try this!
(Special thanks to Hack-a-day for the link.)
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