YKS MinimOSD MAVLink OSD APM2.6 APM2.52 Flight Control Board Reads all the MAVLink data in the APM telemetry stream and overlays it on the video stream if you're using an on-board camera and wireless video transmitter. Very useful if you're flying in First Person View (FPV) mode or don't want to use a laptop at the field to see your telemetry data in the Mission Planner. Compatible with flight control which support MAVLink protocol. Perfect combination of ATmega328 and MAX7456. Supports pirate APM2.52 APM 2.6 flight control.