Tanotis 20PCS 2.54mm pitch 2x9Pin Header Right Angle Female Double Row Socket Connector DC/Gearmotor Note: The power rails are

Note: The power rails are unbroken on both sides

you’ll need one of these single port

but David Mellis over at MIT Media Lab has simplified the process by laying out this handy USB programmer

This is a time saving kit of jumper wires - cut

It also helps prevent dropped calls

Tanotis 20PCS 2.54mm pitch 2x9Pin Header Right Angle Female Double Row Socket Connector DC/Gearmotor Note: The power rails are20PCS 2. 54mm pitch 2x9Pin Header Right Angle Female Double Row Socket Connector Item Description: 100% New. Type of Row: Double Row Type of connector: Right Angle Gender of Connector: Female Number of Pins: 2x9 Pin Pin pitch 2. 54mm. Package Included : 20 x 2. 54mm pitch 2x9Pin Header Right Angle Female Double Row Socket Connector