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AutoPilotPi-Hardware

AutoPilotPi 是一个能够运行 PX4 等自动驾驶固件的单板计算机(SBC)。与通用的 SBC(如树莓派)不同,AutoPilotPi 集成了多种传感器(IMU、磁罗盘、气压计等),因此无需额外的接线即可使用,对于微型飞行器和电路洁癖患者来说非常友好。

AutoPilotPi 使用 V3s 处理器,虽然 V3s 不是性能强大的处理器,但如果能够证明 PX4 能在这些性能较弱的 Linux 处理器上运行,则对于性能更强的处理器来说更加不在话下了。

与传统基于 MCU 的自动驾驶固件不同,使用 Linux 系统的优势在于支持更多的开发语言和工具链,可以更方便地进行二次开发和调试。同时,开启了软实时后的内核基本可以满足 PX4 的实时性要求。

接口与传感器

  • ICM20600:六轴惯性测量单元
  • QMC5883L:三轴磁罗盘
  • SPL06:气压高度传感器
  • 3 个串口(U0、U1、U2,其中 U0 用于 Linux 调试)
  • 1 个 I2C 接口
  • 1 个 SPI 接口
  • 最多 9 个 PWM 通道

特点

  • 封装对手焊友好 (EQFP-128)
  • 内置 DRAM
  • 价格较为便宜

相关项目

Images

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