SparkFun Wheel - 65mm (Rubber Tire, Pair) DC/Gearmotor Accessories & Supplies The A port is designed

The A port is designed to track VCCA

The large solder-able breadboard also includes real estate for screw terminal connectors and a trace down the center gutter for ground

the SparkFun Photon ProtoShield takes care of this

Info Sheet

SparkFun Wheel - 65mm (Rubber Tire, Pair) DC/Gearmotor Accessories & Supplies The A port is designedThese are a pair of basic, 65mm wheels with black rubber tires. These wheels are the same ones designed to fit onto DAGUs right angle gear motors utilized in the Magician Chassis and RedBot Kit. With these wheels you will be able to get almost any beginners robot project moving. These wheels are sold in packs of two. Documents: Product Video