How to assemble an ARF RC aircraft step by step
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
RadioMaster ExpressLRS USB UART Flasher V2
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Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
RadioMaster ExpressLRS USB UART Flasher V2 is a RadioMaster product intended for pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models. This page presents the practical buying information in one place: compatibility, SKU, variants, radio protocol, use case and technical details.
The content is written for customer decision-making through RC-MODEL, without supplier prices or outbound purchase routes.
Key Advantages
- Organized for pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models.
- Part of the RadioMaster radio-control electronics.
- RF/protocol context: ExpressLRS / ELRS, 2.4GHz.
- Includes local product imagery and structured specifications for customer comparison.
Core Specifications
- Product Code: HP0157.USBUART-V2
- Product Family: RadioMaster radio-control electronics
- Protocol / RF: ExpressLRS / ELRS, 2.4GHz
- Please note: The second channel is repurposed as a TX for the serial port tool's RX port, while the third channel is repurposed as an RX connected to the serial port tool's TX port.; The above receivers can be connected to the receiver's CRSF port using a 4-wire CRSF cable
- Manufacturer: RadioMaster
- Brand: RadioMaster
- All Variant SKUs: HP0157.USBUART-V2
- Product Type: Others
- RadioMaster Collections: Accessories, Others
- Application: pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
Servo selection: torque, speed, gears and voltage
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
How to balance an RC aircraft and find the correct CG
One of the most important setup guides: find the CG, install the flight battery, balance the aircraft and avoid nose-heavy or tail-heavy surprises.
Mandatory pre-flight checks for safer RC flying
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
How to perform the first test flight of an RC aircraft
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | RadioMaster |
| Brand | RadioMaster |
| Product Code | HP0157.USBUART-V2 |
| All Variant SKUs | HP0157.USBUART-V2 |
| Product Type | Others |
| RadioMaster Collections | Accessories, Others |
| Product Family | RadioMaster radio-control electronics |
| Application | pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models |
| Protocol / RF | ExpressLRS / ELRS, 2.4GHz |
| Please note | The second channel is repurposed as a TX for the serial port tool's RX port, while the third channel is repurposed as an RX connected to the serial port tool's TX port.; The above receivers can be connected to the receiver's CRSF port using a 4-wire CRSF cable |
Tags: RadioMaster, HP0157.USBUART-V2, RadioMaster Accessories, Other Radio Accessories, Tools & Workshop, RC radio