Map your transmitter sticks to the firmware.
The "248" firmware was the last "golden master" for the original 2MB flash-limited Pixhawk series before ArduPilot moved to the more resource-intensive ChibiOS operating system. pixhawk 248 firmware
Because 248 uses a different EKF structure, calibrate in this order: Map your transmitter sticks to the firmware
Offers a modular architecture often preferred for research and development. It is typically managed through QGroundControl . Hardware & Firmware Targets pixhawk 248 firmware
The following research papers use the Pixhawk 2.4.8 and detail its firmware implementation: