Serial Bus Servo Driver Board, Integrates Servo Power Supply And Control Circuit, Applicable for STSC Series Serial Bus Servos, Small In Size, Easy to Integrate Supports connecting to a host or MCU to control the serial bus servos. Allows controlling up to 253 for STSC series serial bus servos at the same time (sufficient power supply required) 9-12.6V input (the input and the servo must be matching)<br><br>Provides convenient serial bus servo control solution. Integrates control circuit to the stable operation of serial bus servo. Compact size and space saving, suitable for integration into sorts of space-limited projects Power Supply:DC9-12.6v ( Series Servo) Power Supply Connector:5.5x2.1mm Communication: Mounting Hole Size:.2.50mm Mounting Hole Spacing:.37x28mm/1.45x1.1inch Colour:Photo Color Material:plastic<br><br>Package Contents: 1 x Serial Bus Servo Adapter Board<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.