MP-3018 13.8V DC 2A Supply 2.5mm socket if supply does not have it PP-0524 2.5mm bulkhead socket SZ-2015 3AG In-Line Fuse Holder SF-2194 3AG 2A Quick Blow PP-0116 3.5mm metal mini plug with spring PS-0122 3.5mm enclosed socket Terminal strip for PCB Veroboard mounting Or edge connector to PCB, eight positions minimum, add eight for LEDs PCB drill of size for terminal strip; mine are too big/too small LEDs of similar brightness. Catalog for Office