Cheap compass style, Buy Quality compass led directly from China compass lanyard Suppliers: PX4 Pixhawk V2.4.5 32Bits Flight Controller w/ Ublox NEO-7N GPS 3 axis Compass for Multi Quadcopter
Improvements on V2.4.3 - V2.4.5 PCB board - Redeveloped and optimized circuit without changing components - Could use Official MissionPlanner, ECLIPSE firmware upgrade Key Features: - 168 MHz / 252 MIPS Cortex-M4F - 14 PWM / Servo outputs (8 with failsafe and manual override, 6 auxiliary, high-power compatible) - Abundant connectivity options for additional peripherals (UART, I2C, CAN) - Integrated backup system for in-flight recovery and manual override with dedicated processor and stand-alone power supply (fixed-wing use) - Backup system integrates mixing, providing consistent autopilot and manual override mixing modes (fixed wing use) - Redundant power supply inputs and automatic failover - External safety switch - Multicolor LED main visual indicator - High-power, multi-tone piezo audio indicator - microSD card for high-rate logging over extended periods of time Specifications: Processor - 32bit STM32F427 Cortex M4 core with FPU - 168 MHz - 256 KB RAM
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