{"product_id":"radiomaster-expresslrs-usb-uart-firmware-flashing-dongle-v2","title":"RadioMaster ExpressLRS USB UART Firmware Flashing Dongle V2","description":"\u003cstyle\u003e#html-body [data-pb-style=DXSHQUG],#html-body [data-pb-style=MCILWSE],#html-body [data-pb-style=WOMCNYV],#html-body [data-pb-style=XGBPJW7]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=SDNAFRT]{border-style:none}#html-body [data-pb-style=LUCG2ST],#html-body [data-pb-style=U7GYVEY]{max-width:100%;height:auto}#html-body [data-pb-style=APUW325],#html-body [data-pb-style=AVBJ2AF],#html-body [data-pb-style=KU2MJIG],#html-body [data-pb-style=V9J4DWN]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}@media only screen and (max-width: 768px) { #html-body [data-pb-style=SDNAFRT]{border-style:none} }\u003c\/style\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"WOMCNYV\"\u003e\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cp\u003eThe\u003cstrong\u003e RadioMaster ExpressLRS USB UART Firmware Flashing Dongle V2\u003c\/strong\u003e offers reliable ELRS receiver flashing and recovery via serial port, providing a stable alternative to Wi-Fi updates. Compatible with various ELRS receivers, it’s a must-have for dependable firmware management.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"MCILWSE\"\u003e\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cp\u003e\u003cspan style=\"color: #e03e2d;\"\u003e\u003cem\u003eNote: This purchase requires assembly.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"XGBPJW7\"\u003e\n\u003ch2 data-content-type=\"heading\" data-appearance=\"default\" data-element=\"main\"\u003eFeatures\u003c\/h2\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cul\u003e\r\n\u003cli\u003eRM-CRSF JST-GH Interface Output\u003c\/li\u003e\r\n\u003cli\u003eMultiple Protective Circuits\u003c\/li\u003e\r\n\u003cli\u003eStandard Pin Compatibility\u003c\/li\u003e\r\n\u003cli\u003eSelectable Output Voltage\u003c\/li\u003e\r\n\u003cli\u003eSpring-Loaded Pin Socket\u003c\/li\u003e\r\n\u003cli\u003eDuPont Wires Included\u003c\/li\u003e\r\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"DXSHQUG\"\u003e\u003cfigure data-content-type=\"image\" data-appearance=\"full-width\" data-element=\"main\" data-pb-style=\"SDNAFRT\"\u003e\u003cimg class=\"pagebuilder-mobile-hidden\" src=\"{{media%20url=wysiwyg\/RadioMaster_ExpressLRS_USB_UART_Firmware_Flashing_Dongle_V2_Graphic_Info.webp%20alt=\" title=\"\" data-element=\"desktop_image\" data-pb-style=\"U7GYVEY\"\u003e\u003cimg class=\"pagebuilder-mobile-only\" src=\"{{media%20url=wysiwyg\/RadioMaster_ExpressLRS_USB_UART_Firmware_Flashing_Dongle_V2_Graphic_Info.webp%20alt=\" title=\"\" data-element=\"mobile_image\" data-pb-style=\"LUCG2ST\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"KU2MJIG\"\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cp\u003e\u003cstrong\u003eHOW TO UPGRADE FIRMWARE\u003c\/strong\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cp\u003e1. Connect the Serial Port Cable with the receiver\u003cbr\u003e2. Connect to the computer with a USB extension cable, press the receiver's BOOT button, then press the POWER button on the serial tool\u003cbr\u003e3. Follow the ELRS upgrade tool's instructions to complete the upgrade\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"V9J4DWN\"\u003e\n\u003ch2 data-content-type=\"heading\" data-appearance=\"default\" data-element=\"main\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cul id=\"HE0A03E\"\u003e\r\n\u003cli\u003eInterface Output: RM-CRSF JST-GH for ER series receiver compatibility\u003c\/li\u003e\r\n\u003cli\u003eName: RadioMaster ExpressLRS USB UART Firmware Flashing Dongle\u003c\/li\u003e\r\n\u003cli\u003eProtective Circuits: Overcurrent and reverse polarity protection\u003c\/li\u003e\r\n\u003cli\u003ePin Socket: Spring-loaded for enhanced convenience\u003c\/li\u003e\r\n\u003cli id=\"FCHPFNQ\"\u003eIncluded Accessories: DuPont wires for easy testing\u003c\/li\u003e\r\n\u003cli\u003ePin Compatibility: Standard 2.54mm pins\u003c\/li\u003e\r\n\u003cli\u003eOutput Voltage: Selectable 3.3V or 5V\u003c\/li\u003e\r\n\u003cli\u003eManufacturer: RadioMaster\u003c\/li\u003e\r\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"APUW325\"\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cp\u003e\u003cem\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eIMPORTANT NOTES\u003c\/strong\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"color: #f40000;\"\u003eThe above receivers can be connected to the receiver's CRSF port by using a 4-wire CRSF cable\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"AVBJ2AF\"\u003e\n\u003ch2 data-content-type=\"heading\" data-appearance=\"default\" data-element=\"main\"\u003eIncludes\u003c\/h2\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cul\u003e\r\n\u003cli\u003e1x RadioMaster ExpressLRS USB UART Firmware Flashing Dongle V2\u003c\/li\u003e\r\n\u003cli\u003e1x 1.25mm Serial Port Cable - Type A\u003c\/li\u003e\r\n\u003cli\u003e1x 2.54mm Serial Port Cable - Type B\u003c\/li\u003e\r\n\u003cli\u003e1x Serial Port Test Hook - Green\u003c\/li\u003e\r\n\u003cli\u003e1x Serial Port Test Hook - White\u003c\/li\u003e\r\n\u003cli\u003e1x Serial Port Test Hook - Black\u003c\/li\u003e\r\n\u003cli\u003e1x Serial Port Test Hook - Red\u003c\/li\u003e\r\n\u003cli\u003e1x Pogo Probe\u003c\/li\u003e\r\n\u003cli\u003e1x CRSF Wire\u003c\/li\u003e\r\n\u003cli\u003e1x User Card\u003c\/li\u003e\r\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"RadioMaster","offers":[{"title":"Default Title","offer_id":46702237876454,"sku":"22723","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/9525\/8342\/files\/radiomaster-expresslrs-usb-uart-firmware-flashing-dongle-v2-_image-3.jpg?v=1759318189","url":"https:\/\/shop.lumenier.com\/products\/radiomaster-expresslrs-usb-uart-firmware-flashing-dongle-v2","provider":"Lumenier","version":"1.0","type":"link"}