USB to 9V 2.1mm Barrel Jack Boost Power Cable
£4.50  

This the 9V charging cable we use for Marty and the Rick Control Board, but it can be used anywhere a 9V source is needed, like an Arduino. This cable has a USB-A at one end, and a 5.5x2.1mm Barrel Jack connector on the other end, making it more portable and e…