# Abbreviations

| Acronym | Description |
|---------|-------------|
| CAN FD | Controller Area Network Flexible Data-rate |
| DShot | Digital Shot (digital ESC control protocol) |
| ELRS | ExpressLRS (radio-control link) |
| ESC | Electronic speed controller |
| GNSS | Global Navigation Satellite System |
| GPS | Global Positioning System |
| MCU | Microcontroller unit |
| OSD | On-screen display |
| PX4 | PX4 autopilot flight stack |
| RC | Radio control |
| RTOS | Real-time operating system |
| SPI | Serial Peripheral Interface |
| UART | Universal asynchronous receiver-transmitter |
| USB | Universal Serial Bus |
| VMU | Vehicle management unit |