# UAV Ground School Week 4: flight controllers and protocols

> Protocol Pro: a Cube Orange+ airframe designed pin by pin, with MAVLink, DroneCAN, CAN, RTCM, CRSF, SBUS and DShot implemented from their specifications and checked on ArduCopter.

UAV Ground School Week 4 publishes the wiring diagram, design rule checker results, bill of materials, PID playground data, and firmware in the loop notes. Fetch the HTML page for the interactive diagram; use this Markdown body for agent context.

- [Home](https://uav-ground-school.pages.dev/)
- [Week 3](https://uav-ground-school.pages.dev/week3)
- [llms.txt](https://uav-ground-school.pages.dev/llms.txt)
- [Source](https://github.com/KarthikSubramanian07/UAV-Ground-School/tree/main/week04)