Quick Tip: Don’t just plug your new pedals straight into any old power supply connector! You might fry it! In this tip I show you some very basic multimeter usage to make sure you have the correct voltages set on your pedal board power supply.
More on how to use a DMM from mjlorton: http://youtu.be/ZBbgiBU96mM?list=UUOTPsWDzNAosVd6vc3pCPHQ
Tips on buying a good DMM from Dave Jones of the EEVBlog: http://youtu.be/gh1n_ELmpFI?list=UU2DjFE7Xf11URZqWBigcVOQ