参考 Pixhawk Autopilot 的硬件：
Processor
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32bit STM32F427 Cortex M4 core with FPU
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168 MHz
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256 KB RAM
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2 MB Flash
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32 bit STM32F103 failsafe co-processor
Sensors
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ST Micro L3GD20H 16 bit gyroscope, up to 2000 dps.
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ST Micro LSM303D 14 bit accelerometer / magnetometer
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Invensense MPU 6000 3-axis accelerometer/gyroscope
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MEAS MS5611 barometer
Interfaces
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5x UART (serial ports), one high-power capable, 2x with HW flow control
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2x CAN (one with internal 3.3V transceiver, one on expansion connector)
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Spektrum DSM / DSM2 / DSM-X® Satellite compatible input
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Futaba S.BUS® compatible input and output
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PPM sum signal input
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RSSI (PWM or voltage) input
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I2C
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SPI
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3.3 and 6.6V ADC inputs
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Internal microUSB port and external microUSB port extension
