Does Arduino coding bring you out in a cold sweat? Perhaps what you need is the new open-source gear from TinkerForge. The modular system is designed for even novice users to whip up fully functioning robots in a matter of minutes hours. You start with a 4 x 4cm Brick, which you program over USB, but it won't do anything until you add accessories in the form of Bricklets: switches, joysticks, motors, accelerometers and LCDs. You can stack up to eight Bricks to expand the potential of your projects, including a step-down transformer and a (forthcoming) WiFi unit. If the ru