Robot Operating System (ROS) is a collection of software frameworks for robot software development, providing operating system-like functionality on a heterogeneous computer cluster.
Robotis - Dynamixel AX-12A 6pcs Bulk. The AX-12A is a Serially Controlled servo that provides some 50 commands and feedback parameters to allow complete control over your robot application. The Serial protocol is daisy chained, meaning several servos can be connected to each other in a chain and offer several compliance and sensing parameters that can be configured and read including position, velocity and temperature.