The Pololu serial 16-servo controller allows you to control up to sixteen RC servos from almost any robot controller or computer. The interface to the servo controller is a standard RS-232 serial port or a TTL-level serial line, using any baud rate between 1200 and 38400 baud. Multiple servo controllers can be connected to a single serial line, and they are compatible with our Pololu serial 8-servo controller, micro dual serial motor controller and the dual serial motor controller, so that an almost arbitrary number of servos and motors can be controlled with one serial line.
If you are interested in controlling fewer than 9 servos, you may want to consider the 8-servo version of this item. We also have a USB 16-servo controller.