Rapid 2WD & 4WD Servo Robot Platforms - Rapid 2WDSERV, The 2WD Robot Platform from Rapid gives you the opportunity to build a simple robot at a bargain price. It's based around an anodised aluminium chassis which is pre-cut for servos. The chassis also has a useful set of mounting holes and slots for additional hardware such as a microcontroller or sensors. These platforms are compatible with any microcontroller such as the Arduino, OrangePip, PICAXE, Genie and others, as servos don't require additional motor drivers.All the parts for the platform are included in the box: anodised aluminium chassis, 2 x servos, 2 x wheels with tyres, 1 x castor and screws and nuts, just add your own microcontroller. Rapid 2WD Servo Robot Platform