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ExpressLRS is developed and maintained by ExpressLRS LLC and its passionate open source community, working together to advance reliable, high-performance radio control technology.

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.

Open Collective backers

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, and our 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. 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 and Facebook Group, 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 are tested and supported hardware.

See Hardware Selection 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 and chat about bugs and issues. You can also look for issues at the GitHub Issue Tracker. The best thing to do is to submit a Pull Request to the GitHub Repository.

About

High Performance Open Source Radio Control Link

Resources

Readme
License
Activity

Stars

0 stars

Watchers

0 watching

Forks

0 forks
Report repository

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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ExpressLRS is developed and maintained by ExpressLRS LLC and its passionate open source community, working together to advance reliable, high-performance radio control technology.
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.
Open Collective backers
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, and our 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. 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 and Facebook Group, 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 are tested and supported hardware.
See Hardware Selection 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 and chat about bugs and issues. You can also look for issues at the GitHub Issue Tracker. The best thing to do is to submit a Pull Request to the GitHub Repository.
About
High Performance Open Source Radio Control Link
Resources
Readme
License
Activity
Stars
0 stars
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0 watching
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0 forks
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
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Folders and files
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.gitignore
LICENSE
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Repository files navigation
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ReleaseBuild StatusLicenseStarsChat
ExpressLRS is developed and maintained by ExpressLRS LLC and its passionate open source community, working together to advance reliable, high-performance radio control technology.
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.
Open Collective backers
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, and our 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. 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 and Facebook Group, 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 are tested and supported hardware.
See Hardware Selection 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 and chat about bugs and issues. You can also look for issues at the GitHub Issue Tracker. The best thing to do is to submit a Pull Request to the GitHub Repository.
About
High Performance Open Source Radio Control Link
Resources
Readme
License
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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src
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.gitignore
LICENSE
LICENSE
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README.md
Repository files navigation
Banner
ReleaseBuild StatusLicenseStarsChat
ExpressLRS is developed and maintained by ExpressLRS LLC and its passionate open source community, working together to advance reliable, high-performance radio control technology.
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.
Open Collective backers
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, and our 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. 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 and Facebook Group, 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 are tested and supported hardware.
See Hardware Selection 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 and chat about bugs and issues. You can also look for issues at the GitHub Issue Tracker. The best thing to do is to submit a Pull Request to the GitHub Repository.
About
High Performance Open Source Radio Control Link
Resources
Readme
License
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
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Contributors
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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.gitignore
LICENSE
LICENSE
README.md
README.md
Repository files navigation
Banner
ReleaseBuild StatusLicenseStarsChat
ExpressLRS is developed and maintained by ExpressLRS LLC and its passionate open source community, working together to advance reliable, high-performance radio control technology.
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.
Open Collective backers
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, and our 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. 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 and Facebook Group, 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 are tested and supported hardware.
See Hardware Selection 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 and chat about bugs and issues. You can also look for issues at the GitHub Issue Tracker. The best thing to do is to submit a Pull Request to the GitHub Repository.
About
High Performance Open Source Radio Control Link
Resources
Readme
License
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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ReleaseBuild StatusLicenseStarsChat
ExpressLRS is developed and maintained by ExpressLRS LLC and its passionate open source community, working together to advance reliable, high-performance radio control technology.
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.
Open Collective backers
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, and our 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. 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 and Facebook Group, 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 are tested and supported hardware.
See Hardware Selection 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 and chat about bugs and issues. You can also look for issues at the GitHub Issue Tracker. The best thing to do is to submit a Pull Request to the GitHub Repository.
About
High Performance Open Source Radio Control Link
Resources
Readme
License
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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ExpressLRS is developed and maintained by ExpressLRS LLC and its passionate open source community, working together to advance reliable, high-performance radio control technology.
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.
Open Collective backers
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, and our 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. 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 and Facebook Group, 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 are tested and supported hardware.
See Hardware Selection 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 and chat about bugs and issues. You can also look for issues at the GitHub Issue Tracker. The best thing to do is to submit a Pull Request to the GitHub Repository.
About
High Performance Open Source Radio Control Link
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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2,770 Commits
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.github
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src
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.gitattributes
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LICENSE
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README.md
README.md
Repository files navigation
Banner
ReleaseBuild StatusLicenseStarsChat
ExpressLRS is developed and maintained by ExpressLRS LLC and its passionate open source community, working together to advance reliable, high-performance radio control technology.
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.
Open Collective backers
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, and our 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. 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 and Facebook Group, 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 are tested and supported hardware.
See Hardware Selection 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 and chat about bugs and issues. You can also look for issues at the GitHub Issue Tracker. The best thing to do is to submit a Pull Request to the GitHub Repository.
About
High Performance Open Source Radio Control Link
Resources
Readme
License
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages