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https://github.com/expresslrs/expresslrs
ESP32/ESP8285-based High-Performance Radio Link for RC applications
https://github.com/expresslrs/expresslrs
drone esp32 esp8266 fpv lora lr1121 quadcopter rc remote-control sx1276 sx1280
Last synced: 1 day ago
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ESP32/ESP8285-based High-Performance Radio Link for RC applications
- Host: GitHub
- URL: https://github.com/expresslrs/expresslrs
- Owner: ExpressLRS
- License: gpl-3.0
- Created: 2018-10-01T09:27:55.000Z (about 6 years ago)
- Default Branch: master
- Last Pushed: 2024-10-21T18:12:14.000Z (30 days ago)
- Last Synced: 2024-10-29T15:17:47.624Z (22 days ago)
- Topics: drone, esp32, esp8266, fpv, lora, lr1121, quadcopter, rc, remote-control, sx1276, sx1280
- Language: C++
- Homepage:
- Size: 310 MB
- Stars: 3,649
- Watchers: 96
- Forks: 922
- Open Issues: 47
-
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE
Awesome Lists containing this project
README
[](https://github.com/ExpressLRS/ExpressLRS/releases)
[](https://github.com/ExpressLRS/ExpressLRS/actions)
[](https://github.com/ExpressLRS/ExpressLRS/blob/master/LICENSE)
[](https://github.com/ExpressLRS/ExpressLRS/stargazers)
[](https://discord.gg/expresslrs)
## Support ExpressLRS
You can support ExpressLRS by contributing code, testing new features, sharing your ideas, or helping others get started. We are exceptionally grateful for those who donate their time to our passion.
If you don't have time to lend a hand in that way but still want to have an impact, consider donating. Donations are used for infrastructure costs and to buy test equipment needed to further the project and make it securely accessible. ExpressLRS accepts donations through Open Collective, which provides recognition of donors and transparency on how that support is utilized.
[](https://opencollective.com/expresslrs)
We appreciate all forms of contribution and hope you will join us on Discord!
## Website
For general information on the project please refer to our guides on the [website](https://www.expresslrs.org/), and our [FAQ](https://www.expresslrs.org/2.0/faq/)
## About
ExpressLRS is an open source Radio Link for Radio Control applications. Designed to be the best FPV Racing link, it is based on the fantastic Semtech **SX127x**/**SX1280** LoRa hardware combined with an Espressif or STM32 Processor. Using LoRa modulation as well as reduced packet size it achieves best in class range and latency. It achieves this using a highly optimized over-the-air packet structure, giving simultaneous range and latency advantages. It supports both 900 MHz and 2.4 GHz links, each with their own benefits. 900 MHz supports a maximum of 200 Hz packet rate, with higher penetration. 2.4 GHz supports a blistering fast 1000 Hz on [EdgeTX](http://edgetx.org/). With hundreds of different hardware targets from a wide range of hardware manufacturers, the choice of hardware is constantly growing, with different hardware suited to different requirements.
## Configurator
To configure your ExpressLRS hardware, the ExpressLRS Configurator can be used, which is found here:
https://github.com/ExpressLRS/ExpressLRS-Configurator/releases/
## Community
We have both a [Discord Server](https://discord.gg/expresslrs) and [Facebook Group](https://www.facebook.com/groups/636441730280366), which have great support for new users and constant ongoing development discussion
## Features
ExpressLRS has the following features:
- Up to 1000 Hz Packet Rate
- Telemetry (Betaflight Lua Compatibility)
- Wifi Updates
- Bluetooth or WiFi Sim Joystick
- Oled & TFT Displays
- 2.4 GHz, 900 MHz, and Dual-Band RC Link
- SMD Antenna - allows for easier installation into micros
- Supported receiver protocols: CRSF, SBUS, SUMD, HoTT Telemetry, MAVLink, and PWM
- VTX and VRX Frequency adjustments from the Lua, including SmartAudio and Tramp support
- Bind Phrases - no need for button binding
with many more features on the way!
## Supported Hardware
ExpressLRS currently supports hardware from a wide range of manufacturers. In principle, the targets listed in the [ExpressLRS Configurator](https://github.com/ExpressLRS/ExpressLRS-Configurator/releases/) are tested and supported hardware.
Please refer to the [Hardware Selection] page (https://www.expresslrs.org/hardware/hardware-selection/) on the website for guidance. We do not manufacture any of our hardware, so we can only provide limited support for faulty hardware.
## Developers
If you are a developer and would like to contribute to the project, feel free to join the [discord](https://discord.gg/expresslrs) and chat about bugs and issues. You can also look for issues at the [GitHub Issue Tracker](https://github.com/ExpressLRS/ExpressLRS/issues). The best thing to do is to submit a Pull Request to the GitHub Repository.
