BETAFPV Matrix 1S 5IN1 II Brushless Flight Controller
BETAFPV Matrix 1S 5IN1 II Brushless Flight Controller A compact analogue 1S whoop controller integrating the flight controller, 12A ESC, Betaflight OSD, serial ELRS 2.4GHz receiver and 5.8GHz 400mW VTX. Choose the pre-wired Solder-free version or the lighter Solder-required version. 12A / 18A Continuous and peak 1S ESC current ELRS 2.4GHz Onboard serial receiver, listed as V3.4.3 400mW max Integrated 5.8GHz 48-channel analogue VTX 16MB Onboard blackbox memory Integrated for high-output 1S whoops The Matrix 5IN1 II combines an STM32G473CEU6 flight controller, 12A continuous ESC, AT7456E Betaflight OSD, serial ELRS receiver and analogue VTX on one board. The ESC is rated for 18A peak current and supports DShot300 and DShot600. A 3-point mounting system, 1.0mm PCB and 26 × 26mm mounting pattern are specified for compact whoop builds. Choose your build version Solder-free Motor connectors and the power cable are pre-soldered for quicker installation. Stated board weight is 4.1 ± 0.1g, excluding the VTX antenna. Solder-required Designed for direct custom wiring. Four gold-plated JST1.25 connectors and a BT2.0 U cable are supplied separately. Stated board weight is 3.76g, excluding the VTX antenna. Important IMU and firmware note Due to component availability, BETAFPV lists four possible gyro/IMU chips: ICM42688P, ICM42622, BMI270 or LSM6DSK320X. The fitted chip may vary. BETAFPV states that official Betaflight firmware is not yet compatible with some supplied IMUs. Use the compatible Betaflight_4.5.3_BETAFPVG473_V2 firmware provided for this controller and check future support updates before flashing. Related 1S whoop products These are separately sold products and catalogue links recommended for comparison or compatible builds; they are not included with the flight controller. BETAFPV Air65 Champion brushless whoop frame — a frame family recommended by BETAFPV for this controller. BETAFPV 0702 brushless motors — a recommended motor family for compatible 1S whoop builds; select the appropriate motor variant for your build. Browse all flight controllers — compare other FC and AIO options at Buzz FPV. Flight controller specifications Specification Details MCU STM32G473CEU6 Gyro / IMU ICM42688P / ICM42622 / BMI270 / LSM6DSK320X; fitted chip may vary Blackbox memory 16MB Sensors Voltage and current BEC 5V, 3A maximum UARTs UART1, UART2 for VTX, UART3 for RX, UART4 OSD Betaflight OSD, AT7456E Receiver Serial ELRS 2.4GHz, listed as V3.4.3 FC firmware Betaflight_4.5.3_BETAFPVG473_V2 USB connection SH1.0-4Pin Motor connector JST1.25 Battery connector BT2.0 Mounting pattern 26 × 26mm, 3-point mounting Stated weight Solder-free: 4.1 ± 0.1g; Solder-required: 3.76g; VTX antenna excluded ESC and VTX specifications Specification Details Power input 1S only ESC current 12A continuous, 18A peak ESC firmware A_X_5_96KHz_V0.19.hex for BB51 Bluejay hardware Signal protocols DShot300, DShot600 VTX output 25 / 100 / 200 / 400mW / PIT VTX frequency 5.8GHz, 48 channels; Raceband 5658–5917MHz VTX control SmartAudio 2.0 Antenna port 50Ω Operating temperature -10°C to 80°C Solder-free package 1 × Matrix 1S 5IN1 II FC, Solder-free version 1 × Type-C to SH1.0 adapter 1 × SH1.0-4Pin adapter cable 1 × 5.8GHz antenna 4 × M1.2 × 4 self-tapping screws 4 × M1.4 × 5 self-tapping screws 4 × shock-absorbing balls Solder-required package 1 × Matrix 1S 5IN1 II FC, Solder-required version 4 × gold-plated JST1.25 connectors 1 × BT2.0 U cable 1 × Type-C to SH1.0 adapter 1 × SH1.0-4Pin adapter cable 1 × 5.8GHz antenna 4 × M1.2 × 4 self-tapping screws 4 × M1.4 × 5 self-tapping screws 4 × shock-absorbing balls VTX safety: Connect the 5.8GHz antenna before powering the controller, or set VTX output to zero. BETAFPV recommends 25–100mW indoors to reduce heat and energy use.