4tronix-Robo HAT-Robotics-Controller-Board-for-Raspberry-Pi-4tronix-Robo HAT-p-The-b-Robo HAT-b-is-the-complete-robotics-controller-for-your-b-Raspberry-Pi-b-based-mobile-robot-The-board-supports-all-models-of-Raspberry-Pi-that-have-the-40-pin-connector-Model-A-B-as-well-as-Pi-2-&-3-Model-B-br-br-The-controller-board-comes-fully-assembled-no-soldering-or-gluing-is-required-There-are-2x-mounting-pillars-&-fixings-supplied-so-it-can-be-easily-&-securely-mounted-to-your