R504       *Do not modify actuators unless explicitly allowed. The integral mechanical and electrical system of any motor or servo must not be modified. Motors and servos used on the ROBOT shall not be modified in any way, except as follows:

R708       *Do not interfere with the ROBOT networks. During a MATCH, all communications signals must originate from only the ROBOT CONTROLLER device or the DRIVER STATION device using the ROBOT CONTROLLER Wi-Fi network. No other devices may attempt to connect to, interfere with, or alter the ROBOT CONTROLLER Wi-Fi network.

R713       *Always keep control system device software up to date. The following table lists the recommended software versions for each core control electronics module, and a link on how to update this software. Note that some devices have multiple pieces of software that may need to be updated each season, and not all software is available prior to Kickoff each season. Check the FIRST Tech Challenge Blog for release announcements.

R618       *Do not modify critical power paths. CUSTOM CIRCUITS shall not directly alter the power or control pathways between: