Pixhawk 248 Firmware Best – Legit & Free
(STM32F427VIT6 rev3). This target supports the full suite of modern firmware features. PX4 Autopilot Installation & Setup Process Installing or updating firmware is typically done through Mission Planner (for ArduPilot) or QGroundControl (for PX4). PX4 Autopilot
There are two main firmware options. You must choose one: pixhawk 248 firmware