Micolink Protocol
The Micolink serial protocol used by MicoAir optical flow and range sensors — frame layout, the 0x51 payload, checksum rule and working C and Python parsers.
PX4 MAVLink Stream Rates
Three ways to change PX4 MAVLink stream rates for MAVROS topics — a live console command, an SD card startup script, and a firmware default.
Flight Controller ID
Where to read a flight controller's unique hardware ID in ArduPilot, PX4, INAV and Betaflight, and why the same board looks different in each.
UBX Protocol & NAV-PVT
Read a u-blox GPS directly — the UBX frame format, the NAV-PVT message field by field with its scaling, configuration messages and working parsers.