Do you need Rotation Knobs for your Arduino project? The RobotGeek Knob is good choice! It has the standard RobotGeek three pin connection so it plugs right into the RobotGeek Sensor Shield to get you up and running immediatly.
As with all RobotGeek sensors, the hole mounting pattern is on a 1x1 CM grid so they easily mount to the RobotGeek Workbenches or any other RobotGeek kit.
Don't forget to pick up RobotGeek Sensor Cables if you need some!