I found an old cell phone charger laying around and it gives out 5v 550ma. Would It work if I cut off the tip and just stuck the leads in a breadboard? Would I have to get a diode for it or not? Thanks for the help!

Making my own 5v power supply.

Topic		Replies	Views
Power Cable (DIY) Motors, Mechanics, Power and CNC	6	1112	May 6, 2021
Can i power an Arduino via an Apple Power Adapter? General Electronics	10	4474	May 6, 2021
External 5V power question Frequently-Asked Questions	17	10088	May 6, 2021
Using a USB mains charger for powering an arduino? General Electronics	4	1296	May 6, 2021
really small arduino power supply General Electronics	30	25049	May 6, 2021