The Pololu serial 8 - servo controller allows you to control up to 8 RC servos with almost any robot controller or computer. Connect multiple units to the same serial line to control up to 128 servos independently.
This easy-to-use tracked robot handles diameters as small as ten inches. It has a PTZ front camera with 10X optical zoom. This robot is controlled using a 500-foot tether on a cable spool, a Windows Surface tablet. Replaces SJT-32-W, TP-632-010.