Open Source Projects and Contributions
Our Open Source Projects
Here are the open source projects maintained by HumpbackLab:
1. INAV
- Project Description: Flight controller firmware for inertial navigation and autonomous flight
- GitHub: https://github.com/HumpbackLab/inav
- Technology Stack: C, Embedded Systems
- Introduction: We develop and optimize our flight controller firmware based on INAV to provide stable control for lightweight aircraft models.
2. Let's Fly
- Project Description: An Android application for controlling RC devices using CRSF protocol
- GitHub: https://github.com/HumpbackLab/LetsFly
- Technology Stack: Kotlin, Android, USB Serial Communication
- Introduction: Provides intuitive joystick controls, gyroscope-based flight control, and configurable channel switches. Supports USB OTG connection to RC hardware, suitable for mobile devices as remote controllers.
3. AT32 WebISP
- Project Description: Web-based ISP tool for AT32 microcontrollers
- GitHub: https://github.com/HumpbackLab/AT32-WebISP
- Technology Stack: WebAssembly, JavaScript
- Introduction: A browser-based programming tool for AT32 chips that enables firmware flashing using serial ports.
4. morb
- Project Description: A lightweight in-process publish/subscribe library for Rust
- GitHub: https://github.com/HumpbackLab/morb
- Technology Stack: Rust, mio, eventfd, Linux
- Introduction: Provides named topics, a fixed-size ring buffer, and poll-based notifications for efficient in-process message distribution on Linux, inspired by PX4's uORB design.
5. pymsp
- Project Description: A Python library for handling MSP (MultiWii Serial Protocol) messages
- GitHub: https://github.com/HumpbackLab/pymsp
- Technology Stack: Python, MSP, Serial Protocol
- Introduction: Supports packing, unpacking, and streaming processing for both MSP v1 and MSP v2 messages, suitable for flight controller protocol debugging, data parsing, and ground-station tool development.
6. HumpLog
- Project Description: SparkFun OpenLog-compatible serial data logger firmware
- GitHub: https://github.com/HumpbackLab/HumpLog
- Technology Stack: C, AT32F421, Embedded Systems, FAT File System
- Introduction: A serial data logger based on the AT32F421 Cortex-M4 microcontroller, fully compatible with the SparkFun OpenLog command set, supporting up to 1Mbps baud rate. Ideal for flight controller logging, embedded system debugging, and long-term data acquisition.
7. Gyro-ELRS
- Project Description: ELRS stabilized receiver project used by LightFin Nano
- GitHub: https://github.com/HumpbackLab/Gyro-ELRS
- Technology Stack: Embedded Systems, ExpressLRS
- Introduction: Provides ELRS 3.x reception, 6-channel mixing, IMU motion sensing, and stabilization for micro RC aircraft, with web-based configuration and firmware updates.
Other Open Source Contributions
iNAV
- Fix hard faults when handling large MSP responses over CRSF
- fix lsm6dxx driver lack gyroAlign setting issue.
PX4
ExpressLRS
- don't stuck in WatiOnBusy(sx1280) (#1990)
- Add high pwm freq and duty mode support (#1850)
- Fix PWM issue of esp8266 device when duty is 0 (#2684)
- clear all form data before updating hardware setting (#2780)
Mechanical Design
A4 Paper Airplane Remote Control Mount
- Project Description: A 3D-printed mount for converting A4 paper airplanes into remote-controlled aircraft
- Link: https://makerworld.com.cn/zh/models/2263294-a4zhi-yao-kong-zhi-fei-ji-ji-jia#profileId-2547856
- Technology Stack: 3D Printing, SolidWorks
- Introduction: A lightweight 3D-printed mount specifically designed for A4 paper airplanes that can quickly convert a regular folded A4 paper airplane into a remote-controlled aircraft, supporting servo and small motor installation.
Open Source Licenses
All our open source projects follow appropriate open source licenses. Please refer to the LICENSE file in each project for details.