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
- Connect the Serial Port Cable with the receiver
- Connect to the computer with a USB extension cable, press the receiver's BOOT button, then press the POWER button on the serial tool
- 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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