7-9 October, 2026 Prague, Czechia View More Details & Registration Important Note:Timing of sessions and room locations are subject to change.
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When it comes to controlling PX4 from a companion computer, developers are often spoiled for choice - leading to confusion about which architecture best suits their specific mission requirements. Historically, Offboard Mode has been the go-to default, but the evolution of the PX4 ecosystem has introduced powerful alternatives like External Flight Modes and the native ROS 2 Control Interface. This session provides a technical breakdown of how PX4 handles companion computer inputs under both paradigms. We will explore how External Flight Modes register directly with PX4's internal mode manager, allowing custom autonomy apps to behave like native flight modes with built-in safety boundaries. Attendees will learn the differences between these methods, the performance benefits of moving to the ROS 2 bridge, and a practical migration path to transition legacy offboard code into robust, external ROS 2 applications.
