{"id":7943,"date":"2023-11-18T17:18:55","date_gmt":"2023-11-18T17:18:55","guid":{"rendered":"https:\/\/topfpvdrone.com\/what-is-elrs\/"},"modified":"2023-11-18T17:18:55","modified_gmt":"2023-11-18T17:18:55","slug":"what-is-elrs","status":"publish","type":"post","link":"https:\/\/topfpvdrone.com\/ru\/what-is-elrs\/","title":{"rendered":"What is ELRS? Is this the Best Radio Control System for FPV?"},"content":{"rendered":"\n<p><strong><a href=\"https:\/\/www.expresslrs.org\/\" data-type=\"link\" data-id=\"https:\/\/www.expresslrs.org\/\" target=\"_blank\" rel=\"noopener\">ExpressLRS (ELRS)<\/a> serves as an open-source radio control system for RC and FPV applications, utilizing Semtech SX127x\/SX1280 hardware in conjunction with an ESP8285\/ESP32\/STM32 microcontroller.<\/strong> Its purpose is to establish reliable and low-latency communication between transmitters and receivers, even in challenging environments like long-range flights, crowded areas, or interference-prone locations.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/topfpvdrone.com\/ru\/what-is-elrs\/#Why_ELRS_Receivers_Modules_are_Popular_Among_RC_FPV_Pilots\" >Why ELRS Receivers &amp; Modules are Popular Among RC &amp; FPV Pilots<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topfpvdrone.com\/ru\/what-is-elrs\/#How_ELRS_Receivers_Modules_Work\" >How ELRS Receivers &amp; Modules Work<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topfpvdrone.com\/ru\/what-is-elrs\/#ELRS_Receivers_Modules_Features\" >ELRS Receivers &amp; Modules Features<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topfpvdrone.com\/ru\/what-is-elrs\/#Getting_Started_with_ELRS\" >Getting Started with ELRS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topfpvdrone.com\/ru\/what-is-elrs\/#How_can_I_flashupdate_x_receivermodule\" >How can I flash\/update x receiver\/module?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topfpvdrone.com\/ru\/what-is-elrs\/#Which_OpenTX_version_works_with_ExpressLRS\" >Which OpenTX version works with ExpressLRS?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_ELRS_Receivers_Modules_are_Popular_Among_RC_FPV_Pilots\"><\/span>Why ELRS Receivers &amp; Modules are Popular Among RC &amp; FPV Pilots<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/topfpvdrone.com\/wp-content\/uploads\/2023\/11\/What-is-ELRS-1024x576.png\" alt=\"What is ELRS\" class=\"wp-image-5652\" title=\"\" srcset=\"https:\/\/topfpvdrone.com\/wp-content\/uploads\/2023\/11\/What-is-ELRS-1024x576.png 1024w, https:\/\/topfpvdrone.com\/wp-content\/uploads\/2023\/11\/What-is-ELRS-300x169.png 300w, https:\/\/topfpvdrone.com\/wp-content\/uploads\/2023\/11\/What-is-ELRS-768x432.png 768w, https:\/\/topfpvdrone.com\/wp-content\/uploads\/2023\/11\/What-is-ELRS.png 1366w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>ELRS receivers and modules have gained popularity among RC and FPV pilots for several reasons:<\/p>\n\n\n\n<p><strong>Open-source Development:<\/strong> ELRS is an open-source project, allowing anyone to contribute to its development, improvement, or customization. A vibrant community of developers, testers, and users collaborates to enhance ELRS.<\/p>\n\n\n\n<p><strong>Low Latency:<\/strong> ELRS employs a fast and efficient communication protocol, minimizing delays crucial for FPV pilots responding quickly to environmental or aircraft changes.<\/p>\n\n\n\n<p><strong>Long Range:<\/strong> Designed for distances up to several kilometers, ELRS is ideal for long-range flights, exploration, or search and rescue missions.<\/p>\n\n\n\n<p><strong>Customization:<\/strong> Users can tailor ELRS receivers and modules to their needs, preferences, or hardware, including firmware, settings, telemetry, or hardware components.<\/p>\n\n\n\n<p><strong>Affordability:<\/strong> ELRS receivers and modules offer affordability compared to other radio control systems, making reliable, low-latency communication accessible to a wider range of users.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_ELRS_Receivers_Modules_Work\"><\/span>How ELRS Receivers &amp; Modules Work<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"974\" height=\"914\" src=\"https:\/\/topfpvdrone.com\/wp-content\/uploads\/2023\/11\/Elrs-receiver-and-module-1.jpg\" alt=\"Elrs receiver and module\" class=\"wp-image-5657\" title=\"\" srcset=\"https:\/\/topfpvdrone.com\/wp-content\/uploads\/2023\/11\/Elrs-receiver-and-module-1.jpg 974w, https:\/\/topfpvdrone.com\/wp-content\/uploads\/2023\/11\/Elrs-receiver-and-module-1-300x282.jpg 300w, https:\/\/topfpvdrone.com\/wp-content\/uploads\/2023\/11\/Elrs-receiver-and-module-1-768x721.jpg 768w\" sizes=\"auto, (max-width: 974px) 100vw, 974px\" \/><\/figure>\n\n\n\n<p>ELRS receivers and modules operate through a combination of wireless communication between hardware components, such as Semtech SX127x\/SX1280 radio transceivers, ESP8285\/ESP32\/STM32 microcontrollers, and supporting components like antennas and regulators. <\/p>\n\n\n\n<p>The configuration tool, a graphical user interface, allows users to configure ELRS receivers and modules based on frequency, power, channel mapping, failsafe, or telemetry. The telemetry viewer is a software tool for real-time monitoring of ELRS receivers and modules, providing information like RSSI, LQI, voltage or current.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ELRS_Receivers_Modules_Features\"><\/span>ELRS Receivers &amp; Modules Features<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>ELRS receivers and modules offer features and specifications suitable for RC and FPV applications, including:<\/p>\n\n\n\n<p><strong>Frequency:<\/strong> ELRS operates on the 915MHz or 2.4GHz frequency band, catering to long-range or short-range flights, respectively.<\/p>\n\n\n\n<p><strong>Power:<\/strong> ELRS can transmit up to 1W of power, facilitating long-range flights or exploration.<\/p>\n\n\n\n<p><strong>Channel Mapping:<\/strong> ELRS supports up to 16 channels, customizable for various functions like throttle, yaw, pitch, roll, or auxiliary.<\/p>\n\n\n\n<p><strong>Failsafe:<\/strong> ELRS includes a failsafe mechanism customizable for safe landings or return-to-home in case of signal loss or interference.<\/p>\n\n\n\n<p><strong>Telemetry:<\/strong> ELRS provides real-time telemetry data, including RSSI, LQI, voltage, current, GPS, enabling pilots to make informed decisions during flight.<\/p>\n\n\n\n<p><strong>Compatibility:<\/strong> ELRS is compatible with various transmitters, including Taranis, Jumper, and Radiomaster, providing flexibility to users.<\/p>\n\n\n\n<p><strong>Community Support:<\/strong> The active ELRS community, with forums and Discord channels, plays a crucial role in supporting users, sharing experiences, and staying updated on firmware releases and improvements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Getting_Started_with_ELRS\"><\/span>Getting Started with ELRS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>For those interested in adopting ELRS for their RC or FPV setup, follow these steps:<\/p>\n\n\n\n<p><strong>Choose Compatible Hardware:<\/strong> Select ELRS-compatible receivers and modules based on your needs, such as 2.4G ELRS EP2 Nano Receiver and <a href=\"https:\/\/www.getfpv.com\/betafpv-elrs-2-4ghz-micro-tx-module-1w.html?afid=zxg8pL6C81D0iqwW&amp;referring_service=link\" target=\"_blank\" rel=\"noreferrer noopener sponsored\">BETAFPV ELRS 2.4GHz Micro TX Module<\/a> or a remote controller with built-in ELRS receiver like <a href=\"https:\/\/topfpvdrone.com\/jumper-t-pro\/\" target=\"_blank\" rel=\"noreferrer noopener\">Jumper T-Pro<\/a>.<\/p>\n\n\n\n<p><strong>Download Firmware &amp; Tools:<\/strong> Visit the <a href=\"https:\/\/github.com\/ExpressLRS\" target=\"_blank\" rel=\"noreferrer noopener\">ELRS GitHub<\/a> repository to download the latest firmware, configuration tool, and telemetry viewer compatible with your operating system.<\/p>\n\n\n\n<p><strong>Configure Settings:<\/strong> Utilize the <a href=\"https:\/\/github.com\/ExpressLRS\/ExpressLRS-Configurator\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/github.com\/ExpressLRS\/ExpressLRS-Configurator\" rel=\"noreferrer noopener\">elrs configuration tool<\/a> to customize settings like frequency, power, channel mapping, failsafe parameters, and telemetry according to your preferences.<\/p>\n\n\n\n<p><strong>Monitor Telemetry:<\/strong> Use the telemetry viewer to monitor real-time telemetry data during flights, aiding in assessing signal strength, battery status, and other crucial metrics.<\/p>\n\n\n\n<p><strong>Join the Community:<\/strong> Engage with the ELRS community through forums and <a href=\"https:\/\/discord.com\/invite\/expresslrs\" target=\"_blank\" rel=\"noopener\">Discord <\/a>channels to seek advice, share experiences, and stay informed about updates and improvements.<\/p>\n\n\n\n<p>By following these steps, users can experience the benefits of ELRS, enjoying reliability, low latency, long-range capabilities, and customization options. ExpressLRS has become a popular choice among RC and FPV enthusiasts, providing a compelling alternative for reliable and feature-rich radio control systems. Whether a casual hobbyist or professional pilot, exploring ELRS can open up new possibilities for RC and FPV experiences.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_can_I_flashupdate_x_receivermodule\"><\/span>How can I flash\/update x receiver\/module?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Check the firmware version of your radio handset (OpenTX\/EdgeTX) and update it if necessary.<\/li>\n\n\n\n<li>Update the TX module.<\/li>\n\n\n\n<li>Bind the receiver to the transmitter.<\/li>\n\n\n\n<li>Do the bench test to ensure that the receiver is working correctly.<\/li>\n\n\n\n<li>Configure the radio and flight controller.<\/li>\n\n\n\n<li>Fly!<\/li>\n<\/ol>\n\n\n\n<p>For more detailed instructions, please refer to the official&nbsp;<a is=\"cib-link\" href=\"https:\/\/www.expresslrs.org\/quick-start\/getting-started\/\" target=\"_blank\" rel=\"noreferrer noopener\">ExpressLRS Quick Start Guide<\/a>.<\/p>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1700326749062\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"Which_OpenTX_version_works_with_ExpressLRS\"><\/span>Which OpenTX version works with ExpressLRS?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>For optimal compatibility with ExpressLRS, choose OpenTX version 2.3.12 or a newer release. OpenTX Nightly isn&#8217;t essential unless specific features are required. EdgeTX users should opt for version 2.4.0 or later to create a seamless and efficient experience aligned with ExpressLRS requirements.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<p><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ExpressLRS (ELRS) serves as an open-source radio control system for RC and FPV applications, utilizing Semtech SX127x\/SX1280 hardware in conjunction with an ESP8285\/ESP32\/STM32 microcontroller. Its purpose is to establish reliable and low-latency communication between transmitters and receivers, even in challenging environments like long-range flights, crowded areas, or interference-prone locations. Why ELRS Receivers &amp; Modules are [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":7953,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[224],"tags":[],"class_list":["post-7943","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-best-guides-ru"],"_links":{"self":[{"href":"https:\/\/topfpvdrone.com\/ru\/wp-json\/wp\/v2\/posts\/7943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/topfpvdrone.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/topfpvdrone.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/topfpvdrone.com\/ru\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/topfpvdrone.com\/ru\/wp-json\/wp\/v2\/comments?post=7943"}],"version-history":[{"count":0,"href":"https:\/\/topfpvdrone.com\/ru\/wp-json\/wp\/v2\/posts\/7943\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/topfpvdrone.com\/ru\/wp-json\/wp\/v2\/media\/7953"}],"wp:attachment":[{"href":"https:\/\/topfpvdrone.com\/ru\/wp-json\/wp\/v2\/media?parent=7943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/topfpvdrone.com\/ru\/wp-json\/wp\/v2\/categories?post=7943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/topfpvdrone.com\/ru\/wp-json\/wp\/v2\/tags?post=7943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}