Powering a multimeter built into bench-top power supply?
Recently I built a bench-top power supply from an ATX power supply (Like the one from here: https://www.instructables.com/id/Convert-an-ATX-Power-Supply-Into-a-Regular-DC-Powe). It works great but I'm looking to consolidate this and my analog multimeter into one box. I'd like to know how to power the multimeter using the power supply so I don't have to worry about changing the batteries. The multimeter uses two AA batteries and a 9V, and the power supply has voltages of 12, 5, 3.3, 0, -5, and -12. Thanks for any help.