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你好，HN，我是Talal Al-Suhaimi，一名驻沙特阿拉伯的控制系统和嵌入式工程师。在过去的几个月里，我一直在设计和测试一个开源的自动驾驶系统，专为长距离固定翼无人机而打造——我很高兴能与大家分享这个项目。 SmartNavX是一个完全开源的飞行控制器固件和硬件平台，基于STM32F405构建。它旨在轻量、高效且模块化——为固定翼飞机提供全栈自主飞行，而无需依赖昂贵或封闭源代码的自动驾驶仪。主要特点： - 运行在低成本的STM32F405（Blackpill或定制板） - 基于GPS的自主导航（航点、返航、盘旋、地理围栏） - 使用IMU（MPU6050）、气压计和磁力计进行传感器融合，并应用卡尔曼滤波 - 通过ExpressLRS UART实现实时遥测（支持MAVLink-lite） - 集成智能电池管理系统（BMS）支持锂离子飞行电池（电压下降修正） - 兼容地面控制（QGroundControl） - Python命令行工具用于实时配置和遥测解码我为什么要构建这个项目：我需要一个可靠的长距离无人机平台，用于在偏远沙漠地区进行制图和数据采集，但希望对硬件和固件都有完全的控制。大多数商业现成解决方案要么是封闭源代码，要么价格过高，不适合实验。因此，我构建了SmartNavX，使其： - 开发者友好 - 易于修改 - 硬件无关 - 适合研究和实地使用资源： GitHub: github.com/En-Talal-ALSohimiy/SmartNavX 飞行演示（26公里的自主沙漠飞行）：这个项目仍在不断发展——我非常希望能得到其他在无人机、导航、遥测或嵌入式系统领域工作的人的反馈。欢迎贡献、建议和合作。感谢阅读， – Talal Al-Suhaimi 控制系统与无人机工程师

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Hello HN,I’m Talal Al-Suhaimi, a control systems and embedded engineer based in Saudi Arabia. I’ve spent the last several months designing and testing an open-source autopilot system for long-range, fixed-wing UAVs — and I'm excited to share it with the community.SmartNavX is a fully open-source flight controller firmware and hardware platform built on the STM32F405. It's designed to be lightweight, efficient, and modular — offering full-stack autonomy for fixed-wing aircraft without relying on expensive or closed-source autopilots.Key features: Runs on low-cost STM32F405 (Blackpill or custom board) GPS-based autonomous navigation (waypoints, RTH, loiter, geofencing) Sensor fusion using IMU (MPU6050), barometer, and magnetometer with Kalman filtering Real-time telemetry via ExpressLRS UART (MAVLink-lite supported) Integrated smart BMS support for Li-Ion flight packs (voltage sag correction) Ground control compatibility (QGroundControl) Python CLI tool for live configuration and telemetry decoding Why I built this: I needed a reliable, long-range UAV platform for mapping and data collection in remote desert areas, but wanted full control over both hardware and firmware. Most COTS solutions are either closed-source or too expensive for experimentation. So I built SmartNavX to be:Developer-friendly Easily hackable Hardware-agnostic Suitable for both research and field use Resources: GitHub: github.com/En-Talal-ALSohimiy/SmartNavX Flight demo (26km autonomous desert flight):This project is still evolving — I'd love feedback from others working on UAVs, navigation, telemetry, or embedded systems. Contributions, suggestions, and collaborations are more than welcome.Thanks for reading, – Talal Al-Suhaimi Control Systems & UAV Engineer

开源STM32长程固定翼无人机自动驾驶仪（SmartNavX）