MitchElectronics-Simple-Power-Supply-Kit-MitchElectronics-SPS-P-A-kit-of-parts-for-you-to-build-a-simple-multi-output-power-supply-P-P-While-PP3-and-AA-batteries-can-be-used-to-power-some-kits-directly-not-every-kit-can-handle-these-unregulated-voltages-For-example-any-kit-with-an-active-buzzer-requires-a-5V-source-and-some-other-kits-such-as-the-M602-Door-Bell-can-only-handle-up-to-4V-Providing-these-voltages-can-be-cumbersome-and-any-project-that-requires-more-than-a-single-5V-sou
