**NOTE**: In this example we call `sleep()` to allow time for the motion to complete before initiating a new motion.
!!! note
In this example we call `sleep()` to allow time for the motion to complete before initiating a new motion.
**NOTE**: The Dynamixel servos do not use the Hello Robot communication protocol. As such, the head, wrist, and gripper will move immediately upon issuing a motion command.
!!! note
The Dynamixel servos do not use the Hello Robot communication protocol. As such, the head, wrist, and gripper will move immediately upon issuing a motion command.
------
<divalign="center"> All materials are Copyright 2022 by Hello Robot Inc. Hello Robot and Stretch are registered trademarks.</div>