powerdayGeneric Mavlink-osd V2.0 On-screen Display Minim osd for Aiop APM Telemetry Atmega328p -5V/500mA DC/DC regulator for MAX7456-EUI -Operating voltage: 5V(FTDI connector) and 12V(Video I/O connector) -MAVLink-OSD full support for rush-osd firmware to support the MWC flight control, can be used to battery voltage detection, video voltage detection, RSSI and current detection...(current detection need bring you own sensor). -ATMEGA328P Microcontroller -MAX7456-EUI monochrome on-screen display