DIY BENCH POWER SUPPLY WITH BATTERY BACKUP

DIY bench power supply parts used A) ELECTRONIC 1) DC CCCV buck convertor 9A 2) XL4015 5A DC-DC Step Down Adjustable Buck Converter 3) Digital Voltmeter (0-100V) and Ammeter 4) 0.28 inch 0-100V Three Wire DC Voltmeter 5) Multi turn potentiometer (10k) B) HAEDWARE 1) 3D PRINTED MODEL 2) SOME SWITCHES 3) BANANA CONNECTOR 3) OTG CABLE STL FILE AND MORE DETAILS - will be uploaded soon..... \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\