About BETAFPV Matrix 1S Brushless Flight Controller (5IN1 II)：
The BETAFPV Matrix 1S Brushless Flight Controller (5IN1 II) is a next-generation all-in-one flight control solution designed specifically for high-performance 1S FPV whoop drones. Integrating a G473 flight controller, 5A brushless ESC, Serial ExpressLRS 2.4GHz receiver, VTX, and OSD into a single lightweight board, it simplifies installation while maximizing reliability and performance. Built for modern Tiny Whoop platforms, the Matrix 5IN1 II delivers responsive control, stable power management, and dependable video transmission in a compact package. With support for Wi-Fi firmware updates, optimized signal performance, and reduced wiring requirements, it is an ideal choice for racing, freestyle, and everyday FPV flying.
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Top-Highlights
5-in-1 integrated design combines flight controller, ESC, ELRS receiver, VTX, and OSD into one compact board.
G473 processor delivers fast response and stable flight performance for 1S FPV drones.
Built-in ExpressLRS 2.4GHz receiver provides reliable long-range control with Wi-Fi firmware updates.
Integrated VTX supports up to 400mW output for stable and clear video transmission.
Lightweight AIO architecture reduces wiring complexity and improves build efficiency.
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Note: Due to the shortage of IMU chip ICM42688, BETAFPV team has found new IMU chips including ICM42622, LSM6DSV16X and LSM6DSK320X, and built compatible firmwares. Extensive testing confirms they all meet our strict quality standards.
Betaflight has not yet released official firmwares compatible with some of the IMU chips, so please do not flash the official Betaflight firmware and pay attention to future support updates.
Upgraded 12A Continuous ESC
The Matrix 5IN1 II features a significantly more powerful ESC, upgraded from 5A to a robust 12A continuous current (18A peak) to meet the high surge demands of 1S whoops. This increase was achieved by integrating 12 MOS tubes directly onto the board through rigorous testing. Paired with gold-plated motor connectors, it ensures superior conductivity and power delivery, providing stronger, more responsive propulsion.
Enhanced Durability & Crash Protection
Developed in response to community feedback on crash reliability, the board now features a 3-point mounting system. This design creates essential cushioning space during impacts, reducing stress on core components and lowering the damage rate by up to 80%. Combined with a 1.0mm thickened PCB and an optimized component layout, the Matrix 5IN1 II is built to survive hard crashes.
Two Build Options: Solder-free Or Solder-required
To suit different builders, the Matrix 5IN1 II is available in two versions: solder-free and solder-required. The solder-free version has motor connectors and power cable pre-soldered for quick and easy installation, while the solder-required version includes the gold-plated JST1.25 connectors and BT2.0 U cable in the package for custom wiring. Larger solder pads allows direct soldering to save weight.
How to Use Serial Ports, Intergrated RX and VTX
Please note that by default, UART2 is connected to the VTX and UART3 is connected to the RX. To release UART3, please remove the resistor. Additionally, this FC reserves 2 complete full-featured serial ports that can be used for external CRSF/SBUS receivers, GPS, HD VTX, or other serial devices. You can refer to the below pictures.
Attention
● Flight controllers are covered for manufacturer defects. Issues arising from user errors, physical crash damage, damage during installation or dismantling, modifications, power surges, electrical fires, or water exposure are not covered.
● VTX Power: Higher VTX power consumes more energy and generates more heat, reducing flight time. For better flight time in indoor scenarios, use 25~100mW power.
● VTX Antenna: Connect and install the image transmission antenna before powering on the flight control. Alternatively, set transmission power to 0 to avoid burnout.
Bullet Points
● All-in-One Integration: Combines the FC, ESC, OSD, Serial ELRS 2.4GHz RX, and a 5.8GHz 400mW VTX into a single, compact unit.
● Upgraded 12A Continuous ESC: Delivers 12A continuous current (18A peak) for powerful propulsion. ● Enhanced Durability: Features a robust 3-point mounting system and a 1.0mm thick PCB to absorb crash impacts and protect core components. ● Flexible Build Options: Available in both Solder-free and Solder-required versions to suit any skill level or weight preference. Features larger solder pads for easier, more reliable custom wiring. ● Advanced Core Components: Built around a powerful G473 processor for precise racing and complex freestyle maneuvers. ● Optimized Layout: A refined component arrangement improves durability and overall reliability.
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