OpenRX

Open-source 2.4GHz ExpressLRS (ELRS) receiver, designed for use on drones and RC aircraft.

Features

Radio

• SX1280 - Semtech 2.4GHz LoRa/FLRC transceiver (ExpressLRS compatible)

Design

• Compact form factor optimized for drone use
• All custom symbol, footprint, and 3D model libraries included in repo — no external setup required

Repository Structure

OpenRX/
├── README.md
├── .gitignore
├── LICENSE
├── Hardware/                ← KiCad project, libraries, and design files
│   ├── OpenRX.kicad_pro
│   ├── OpenRX.kicad_sch     ← Top-level schematic
│   ├── OpenRx24Mini.kicad_sch ← 2.4GHz Mini sub-schematic
│   ├── OpenRX.kicad_pcb
│   ├── Symbols/             ← Custom symbol libraries
│   ├── Footprints/          ← Custom footprint libraries
│   └── 3D/                  ← 3D models
└── images/                  ← Board renders

Schematic Hierarchy

• OpenRX.kicad_sch — Top-level schematic
• OpenRx24Mini.kicad_sch — OpenRX 2.4GHz Mini receiver

Design Files

This project uses KiCad 9.0 for schematic and PCB design. All symbol, footprint, and 3D model libraries are included in the repository — no external library setup required.

License

This project is licensed under the CERN Open Hardware Licence Version 2 - Strongly Reciprocal (CERN-OHL-S-2.0). See LICENSE for details.

Contributing

Contributions are welcome! Please open an issue or submit a pull request.