RadioMaster ExpressLRS USB UART Firmware Flashing Dongle V2
SKU: 32601463159

RadioMaster ExpressLRS USB UART Firmware Flashing Dongle V2

$16.16 $17.95
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Description

RadioMaster ExpressLRS USB UART Firmware Flashing Dongle V2The RadioMaster ExpressLRS USB UART Firmware Flashing Dongle V2 offers reliable ELRS receiver flashing and recovery via serial port, providing a stable alternative to Wi Fi updates. Compatible with various ELRS receivers, its a must have for dependable firmware management. *Requires assembly Features RM CRSF JST GH Interface Output Multiple Protective Circuits Standard Pin Compatibility Selectable Output Voltage Spring Loaded Pin Socket DuPont Wires

The RadioMaster ExpressLRS USB UART Firmware Flashing Dongle V2 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.

*Requires assembly

Features

  • RM-CRSF JST-GH Interface Output
  • Multiple Protective Circuits
  • Standard Pin Compatibility
  • Selectable Output Voltage
  • Spring-Loaded Pin Socket
  • DuPont Wires Included

 

How to upgrade firmware

  1. Connect the Serial Port Cable with the receiver
  2. Connect to the computer with a USB extension cable, press the receiver's BOOT button, then press the POWER button on the serial tool
  3. Follow the ELRS upgrade tool's instructions to complete the upgrade

Specifications

  • Interface Output: RM-CRSF JST-GH for ER series receiver compatibility
  • Name: RadioMaster ExpressLRS USB UART Firmware Flashing Dongle
  • Protective Circuits: Overcurrent and reverse polarity protection
  • Pin Socket: Spring-loaded for enhanced convenience
  • Included Accessories: DuPont wires for easy testing
  • Pin Compatibility: Standard 2.54mm pins
  • Output Voltage: Selectable 3.3V or 5V
  • Manufacturer: RadioMaster

Includes

  • 1x RadioMaster ExpressLRS USB UART Firmware Flashing Dongle V2
  • 1x 1.25mm Serial Port Cable - Type A
  • 1x 2.54mm Serial Port Cable - Type B
  • 1x Serial Port Test Hook - Green
  • 1x Serial Port Test Hook - White
  • 1x Serial Port Test Hook - Black
  • 1x Serial Port Test Hook - Red
  • 1x Pogo Probe
  • 1x CRSF Wire
  • 1x User Card

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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 32601463159

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Charlie H.
Pawtucket, US
★★★★★ 3
Screw over tight during assembly
Size: 500 Amp
The screws that hold the block to the plastic make sure there not over tight the block will fall off the plastic easily
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
D
Verified Purchase
Daniel Riser
Belleville, US
★★★★★ 5
The best laptop sleeve I've ever owned!
Color: Black, Size: 13-inch for New MacBook Air & Pro
I love this sleeve. Every time I get a new laptop, I buy this exact one. I have one for my work laptop and one for my personal laptop. It’s made from a high-quality outer shell with an equally nice inner lining that’s velvety soft and keeps expensive devices safe. The sleeve is padded on all sides, so no matter what angle you drop it from (and I have), your laptop stays secure. If you have a favorite bag that doesn’t include a padded laptop compartment, this will quickly become your best friend. It also features a generous front zippered pocket for chargers, hard drives, and cables. Check out my video to see the capacity—you can easily fit a full-size charger, multiple cables, and external hard drives. A couple of other things I love about this case: it’s easy to clean (just a damp cloth with a little soap), and it’s incredibly durable. I bought my first one almost 10 years ago, and it’s still going strong. The zipper action is still flawless. For reference, the sleeve in my video is holding a 2025 13-inch MacBook Air, but I have the same sleeve for a 13-inch MacBook Pro, and it fits both beautifully. I can’t recommend this sleeve enough.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
A
Verified Purchase
Alan Gabriel Jones
Grantham, US
★★★★★ 5
Sturdy, high quality, and protective
Color: Green, Size: 15-inch for New MacBook Air
This is my third TomToc laptop sleeve. Each time, I bought another, less expensive brand first and returned it. TomToc offers the best protection in a soft-shell sleeve. Immediately when you open it, you feel the higher quality material and density. It’s not heavy, but it is thick padded and doesn’t easily bend with pressure. The zipper is built to last, sturdy, and easy to operate without that chintzy feeling from cheap zippers. If you pay attention to the construction, you quickly see why it’s about double in price. There is an inner pad to protect the laptop from not just drops and shock, but also from the zipper. The corners are reinforced and add extra protection. It is definitely worth double the price.
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Reviewed in the United States on April 11, 2026
B
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Bamagreek
Boise, US
★★★★★ 5
Great Protection
Color: Orange, Size: 13-inch for New MacBook Air & Pro
This is a very nice, protective case. The material is thick and cushions the laptop great! Computer fits nice and cozy; great fit. I love the bright orange! I highly recommend.
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Reviewed in the United States on April 23, 2026
A
Verified Purchase
AmazonUser
Chelsea, US
★★★★★ 5
Great Laptop Case !
Color: Black, Size: 13-inch for New MacBook Air & Pro
This case is reallllly nice and durable, the cushioned corners is what really makes this case special imo. The outer layer is a nice durable think fabric. It fits perfectly. The only downside is the zipper traction is not as smooth as I would like ,,, but I guess I can fix that with some oil/wd40. I would recommend this laptop case ! 👌🏽👌🏽👌🏽
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Reviewed in the United States on March 24, 2026

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