Mini APM V3.1 Mini ArduPilot Mega 2.6 External Compass APM Flight Controller for Multicopter FPV
Features: - Use APM firmware and ground station no need to modify - No onboard compass which makes this version ideal for use with multicopters and rovers - 8-CH output and 8-CH input - Can connect to external GPS compass telemetry system and PM module - 12-CH function interface - Size: 35*35mm