BetaFPV Matrix 1S 3IN1 BMI270 Brushless Flight Controller
BetaFPV Matrix 1S 3IN1 BMI270 Brushless Flight Controller – Three Core Systems on One Compact 1S Board
Space and weight matter in every small FPV whoop. BetaFPV Matrix 1S 3IN1 BMI270 Brushless Flight Controller integrates the flight controller, four-channel ESC and Serial ELRS 2.4 GHz receiver into one compact assembly, reducing the number of separate components inside the frame. The 3IN1 version is designed around digital HD video systems and combines convenient motor connectors, dedicated VTX connectivity and a powerful 1S power section.
Stable 5V Power for HD Equipment
The upgraded 5V / 3A BEC is designed to maintain stable output across the operating range of a 1S battery. This is particularly important in digital FPV builds, where the video system can place a significant load on the power supply even as battery voltage drops during flight.
More Processing Power for Betaflight
The STM32G473CEU6 MCU gives Matrix 1S a modern processing platform for flight control and Betaflight operation. BetaFPV highlights a substantial computing-performance increase over the STM32F411 generation, providing additional processing headroom in a compact 1S controller.

Faster Assembly, Easier Maintenance
JST1.25-3Pin motor connectors and the dedicated SH1.0-6Pin HD digital port reduce the amount of direct soldering required during assembly. Motors and a compatible digital video system can be connected using dedicated plugs, making the first build cleaner and later component replacement considerably easier.
BetaFPV Matrix 1S 3IN1 BMI270 Brushless Flight Controller Frequently Asked Questions (FAQ)
Yes. BetaFPV positions the 3IN1 version specifically for digital HD builds including DJI O4 and provides a dedicated SH1.0-6Pin HD digital VTX port.
Yes. The controller integrates a Serial ELRS 2.4 GHz receiver, so a separate ELRS receiver is not required for a standard compatible configuration.
The ESC is designed exclusively for 1S power and the controller is equipped with a BT2.0 battery connector.
Yes. BetaFPV provides dedicated firmware for the BMI270 version and recommends confirming the installed gyro before flashing. The manufacturer states that 3IN1 production switched to the BMI270 gyro from January 5, 2026.
BetaFPV Matrix 1S 3IN1 BMI270 Brushless Flight Controller Pinout and Component Layout


BetaFPV Matrix 1S 3IN1 BMI270 Brushless Flight Controller HD VTX and Receiver Connection Guide

BetaFPV Matrix 1S 3IN1 BMI270 Brushless Flight Controller Specifications
Model | Matrix 1S Brushless Flight Controller 3IN1 (BMI270) |
MCU | STM32G473CEU6, 168MHz |
Gyroscope | BMI270 |
Blackbox Memory | 16MB |
Sensors | Voltage and Current |
BEC | 5V / 3A |
| Integrated Receiver | Serial ELRS 2.4GHz |
| USB Connection | SH1.0-4Pin |
| Analog OSD | No |
| HD Digital VTX Port | SH1.0-6Pin |
Motor Connectors | JST1.25-3Pin |
Battery Connector | BT2.0 |
Mounting Pattern | 25.5mm x 25.5mm |
Weight Without Battery Connector | 3.8 ± 0.1g |
ESC Input Voltage | 1S only |
ESC Continuous Current | 12A |
ESC Peak Current | 18A |
ESC Firmware | Bluejay V0.19.2, BB51 |
ESC Protocols | DSHOT300, DSHOT600 |
BetaFPV Matrix 1S 3IN1 BMI270 Brushless Flight Controller Package Includes
- 1x BetaFPV Matrix 1S 3IN1 BMI270 Brushless Flight Controller
- 1x Type-C to SH1.0 Adapter
- 1x SH1.0-4Pin Adapter Cable
- 1x SH1.0-6Pin Adapter Cable
- 4x Self-Tapping Screw (M1.2*4)
- 4x Self-Tapping Screw (M1.4*5)
- 4x Shock Absorbing Ball
