RadioMaster ExpressLRS USB UART Flasher
RadioMaster ExpressLRS USB UART Flasher
RadioMaster ExpressLRS USB UART Flasher
RadioMaster ExpressLRS USB UART Flasher
RadioMaster ExpressLRS USB UART Flasher
RadioMaster ExpressLRS USB UART Flasher
RadioMaster ExpressLRS USB UART Flasher

RadioMaster ExpressLRS USB UART Flasher

Regular price$9.99
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  • VAT fees will be added to orders bound for EU member states.
  • Batteries can't be shipped separately, please purchase batteries with Radio units.
  • Customized products require a 40-day lead time and no refunds can be made after the order is placed.

When upgrading ELRS receivers, there are primarily two options: Wi-Fi and Serial Port. While Wi-Fi upgrading is very user-friendly and doesn't require additional accessories, it can be susceptible to failures caused by unstable networks.

For a more reliable and professional upgrade experience, RadioMaster ExpressLRS UART Flasher is your solution. This dongle is designed specifically for ELRS receiver serial port upgrades, providing a dependable and professional solution for flashing or recovering receivers with a bad flash.

We have upgraded the ExpressLRS USB UART Flaher. Click here to see the improved V2 version.

RadioMaster ExpressLRS USB UART Flasher

Features

  • Equipped with multiple protective circuits, including overcurrent and reverse protection
  • Optionable 3.3V and 5V output voltage
  • Standard 2.54mm pins
  • RM-CRSF JST-GH interface output for versatile connectivity with compatible ER series receivers
  • Featuring a spring-loaded pin socket for enhanced convenience
  • Comes with DuPont wires for easy testing

RadioMaster ExpressLRS USB UART FlasherRadioMaster ExpressLRS USB UART FlasherRadioMaster ExpressLRS USB UART Flasher

Compatible Receivers

Using 2.54mm pin output and spring-loaded pin adapter or Test hook adapters:

Using regular 2.54mm pin output (Servo plugs):

Please note: The second channel is repurposed as a serial TX, connected to the RX port of the serial port tool. The third channel is repurposed as RX, connected to the TX port of the serial port tool.

Firmware upgraded by RM-CRSF interface output:

Please note: The above receivers can be connected to the receiver's CRSF port by using a 4-wire CRSF cable.

How to upgrade firmware

1. Connect the Serial Port Cable with receiver
2. Press the receiver's BOOT button, and insert the serial port tool into your computer
3. Follow the ELRS upgrade tool's instructions to complete the upgrade

Download

Size

RadioMaster ExpressLRS USB UART Flasher

Package Includes

  • 1 * RadioMaster ExpressLRS USB Uart Flashing Tool
  • 1 * Pogo Probe
  • 1 * 1.25mm Serial Port Cable - Type A
  • 1 * 2.54mm Serial Port Cable - Type B
  • 1 * Serial Port Test Hook - White
  • 1 * Serial Port Test Hook - Green
  • 1 * Serial Port Test Hook - Red
  • 1 * Serial Port Test Hook - Black
  • 1 * User Card

RadioMaster ExpressLRS USB UART Flasher

EDGETX Gold Partner
EdgeTX Gold Partner

Radiomaster is proud to be an EdgeTX Gold Partner and to have played a pivotal role in the inception of the EdgeTX project. Our commitment goes far beyond just producing radios that run on EdgeTX; we are actively collaborating with the EdgeTX team to drive innovation and help shape the future of EdgeTX based technology.

FAQs

Due to the EU tax reform, VAT fees will be added to orders bound for EU member states if the standard shipping method is selected. Alternative shipping methods such as DHL do not add VAT fees. The recipient's VAT and EORI account number need to be provided. 

- For more FAQs and online resources, please click here to check it.

- For warranty repairs and support please open a support ticket.

- All tutorial videos, please check on RadioMaster Youtube Channel.


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