BetaFPV Matrix 1S Brushless Flight Controller (5IN1) STM32G473, ELRS 2.4GHz, 5.8GHz 400mW VTX

Overview

The BetaFPV Matrix 1S Brushless Flight Controller (5IN1) is a highly integrated flight controller designed for beginners and FPV enthusiasts, combining FC + VTX + OSD + ESC + RX on a robust 1.0mm-thick board. It features built-in motor connectors to simplify installation (no welding required), an STM32G473CEU6 MCU, onboard Serial ELRS 2.4GHz RX, and an onboard 5.8GHz VTX with up to 400mW output power.

Key Features

• 5IN1 highly integrated design (FC + VTX + OSD + ESC + RX)
• 1.0mm thick board for enhanced durability
• MCU: STM32G473CEU6 (noted as a 55% computing speed increase over F411)
• Built-in motor plug / motor connector: JST1.25
• Onboard Serial ELRS 2.4GHz RX (V3.4.3)
• Onboard 5.8GHz VTX: 48 channels, up to 400mW; SmartAudio 2.0 control; PIT mode supported
• ESC based on BB51 Bluejay 96K (supports DShot300 / DShot600)

Specifications

Pinout / Pads (Diagram Labels)

• Top front labels: RX ANT, CAM in, VTX ANT, BATT+(1S), GND, +5V, RX1, TX1
• Bottom front labels: FC-RX-BOOT; CAM in / +5V / GND; TX4 / RX4 / +5V / GND; TX3; RX3; BZ+ / BZ-; ESC1 / ESC2 / ESC3 / ESC4; GND; +5V; USB-DM; USB-DP; USB; RGB LED

Setup Notes (Attention)

• Flight controllers are covered for manufacturer defects. Issues 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 controller. Alternatively, set transmission power to 0 to avoid burnout.
• By default, UART2 is connected to the VTX and UART3 is connected to the RX. A note is provided to remove a resistor to release UART3.
• When setting up analog VTX, peripherals for UART2 need to be set as VTX (TBS SmartAudio). For the receiver, configure UART3 as Serial RX.

Serial ELRS 2.4G RX (Binding & Update)

• Enter binding status by power on/off three times: plug in and unplug the flight controller three times.
• RX LED quick double blink indicates bind mode; a solid light indicates it is bound.
• The Serial ELRS 2.4G RX can be updated via Wi-Fi or Betaflight serial passthrough. Passthrough steps include selecting target "BETAFPV 2.4GHz AIO RX" and flashing via the Betaflight Passthrough option in ExpressLRS Configurator.

Firmware / Configuration References

• FC firmware: Betaflight_4.5.0_BETAFPVG473 (firmware and CLI dump file): Official download page
• Betaflight release reference (4.5.0): https://github.com/betaflight/betaflight/releases/tag/4.5.0
• Note: Starting Jan 5, 2026, units may ship with the BMI270 gyroscope; verify the gyroscope version before flashing firmware to ensure compatibility.

Bluejay ESC Firmware Notes

• Based on BB51 ESC solution; referenced firmware: A_X_5_96KHz_V0.19.hex for BB51 Bluejay hardware.
• Tools / downloads: ESC-Configurator, BLHeliSuite16714903, Bluejay releases, Bluejay repository
• Additional referenced firmware filenames shown: A_X_5_48_v0.19.2.hex, A_X_5_96_v0.19.2.hex, A_X_70_24_v0.19.2.hex
• Warning: Do not flash the firmware with a shorter interval; stalling and flight controller damage may occur.

Applications

• Recommended models listed for Matrix FC 5IN1: Meteor65 Pro, Meteor75 Pro
• Meteor75 Pro is noted as being upgraded with the Matrix 1S Brushless FC starting November 20

Whats Included

• 1 x Matrix 1S Brushless Flight Controller
• 1 x Type-C to SH1.0 Adapter
• 1 x SH1.0-4Pin Adapter Cable
• 4 x M1.2 x 4 self-tapping screws
• 4 x M1.4 x 4 self-tapping screws
• 4 x shock absorbing balls

For product selection help, wiring guidance, or after-sales support, contact support@rcdrone.top or visit https://rcdrone.top/.

Details

A compact 5-in-1 1S board that combines flight controller, ESC, VTX, OSD, and ELRS receiver to keep ultralight builds clean and simple.

Choose the Matrix option when you want a thicker 1.0mm board and JST1.25 motor plugs for quick, no-solder motor installs.

Built around the STM32G473 MCU, with onboard Serial ELRS 2.4GHz and a 5.8GHz VTX rated up to 400mW for capable 1S FPV setups.

Top-side pad labels make wiring straightforward for camera/VTX antenna connections, 1S power input, and UART1.

The underside breaks out USB, UARTs, buzzer pads, and the four ESC/motor outputs for clean routing in tight frames.

A quick wiring and Betaflight setup reference for analog VTX control and configuring the onboard serial receiver.

Included accessories help you get started right away, with the flight controller, mounting hardware, and connection leads packed in a protective tin.