The FTC control system is currently provided by REV Robotics. Although a new platform called SystemCore is expected in future seasons, teams will continue using the traditional REV Control Hub, Expansion Hub, and Driver Hub during the 2026–27 season. The Primary documentation for these components can be found on the rev robotics documentation page:
https://docs.revrobotics.com/docs/duo/getting-started/control-system
This overview below will provide a simplified overview of the components and what they do.
Let's begin with a diagram of the control system:
Review the components in the diagram and Identify the components and their location on an existing robot as well as where spares are located in the room.
Review these videos and learn the ports/connections for the Control Hub and the Expansion hub as well as how to update the system using REV Hardware Client. Then learn tips about wiring that will help you create a robust robot that is easier to troubleshoot and repair.