{"product_id":"matrix-1s-brushless-flight-controller-3in1-bmi270","title":"Matrix 1S Brushless Flight Controller 3IN1 BMI270","description":"\u003cdiv\u003e\n\u003cp\u003eThe Matrix 1S Brushless Flight Controller redefines 1S whoop performance with two purpose-driven architectures: the 3IN1 for DJI O4 digital dominance (integrating FC, ESC, and ELRS 2.4G RX while omitting analog OSD), and the 4IN1 for analog mastery (adding built-in OSD + solder pads for external VTXs). Both feature the iconic cross-design architecture, newly developed BEC, 18A peak ESCs, and the STM32G473 MCU for 55% faster processing—delivering effortless setup, pro-tier control, and uncompromised flight dynamics that rewrite 1S standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1x Matrix 1S Brushless Flight Controller (3IN1)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1x Type-C to SH1.0 Adapter\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1x SH1.0-4Pin Adapter Cable\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1x SH1.0-6Pin Adapter Cable\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4x M1.2*4 Self-tapping Screws\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4x M1.4*5 Self-tapping Screws\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4x Shock Absorbing Balls\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInfo:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/Matrix_1S_FC_4IN1_3IN1_-_Dual_DNA._One_Legend.jpg?v=1750673326\" alt=\"Matrix 1S FC 4IN1 \u0026amp; 3IN1 - Dual DNA. One Legend\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eAttention\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCrafted for newcomers and recreational pilots, the Matrix FC features a robust 1mm board for enhanced durability, a solder-free design for easy installation, and a beginner-friendly experience. For advanced pilots, the ultra-thin and lightweight Air FC is the definitive choice, engineered with race-winning agility to push the boundaries of FPV flight performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eFlight 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.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eBullet Points\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual DNA: 3IN1 (FC, ESC, and ELRS 2.4G RX) for DJI O4 digital dominance (omits analog OSD), 4IN1 for analog mastery with OSD.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSTM32G473 MCU: 55% faster processing than F411 for responsive tuning.\u003c\/li\u003e\n\u003cli\u003eStable Video Transmission: Features a newly developed BEC to ensure consistent power delivery for seamless HD performance.\u003c\/li\u003e\n\u003cli\u003eEnhanced Overcurrent Capacity: Supports 12A continuous current and 18A peak ESC, providing robust performance for demanding flights.\u003c\/li\u003e\n\u003cli\u003eReliable Precision: Includes an independent 3.3V LDO design to deliver stable, interference-free power directly to the IMU for accurate control.\u003c\/li\u003e\n\u003cli\u003eWhoop-ready Installation: The 3IN1 is equipped with motor plugs and a SH1.0-6Pin HD digital port for a hassle-free installation and maintenance experience, while the 4IN1 has external VTX soldering pads for protocol flexibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMCU: STM32G473CEU6 (168MHz)\u003c\/li\u003e\n\u003cli\u003eGyro: ICM42688P\u003c\/li\u003e\n\u003cli\u003eBlackbox Memory: 16MB\u003c\/li\u003e\n\u003cli\u003eSensor: Voltage \u0026amp; current\u003c\/li\u003e\n\u003cli\u003eBEC: 5V\/3A\u003c\/li\u003e\n\u003cli\u003eUART (3IN1 Version): UART 1 (RX Only\/SBUS), UART 2 (Free), UART 3 (For RX), UART 4 (Free\/HD MSP)\u003c\/li\u003e\n\u003cli\u003eUART (4IN1 Version): UART 1 (For VTX), UART 2 (Free), UART 3 (For RX), UART 4 (NONE)\u003c\/li\u003e\n\u003cli\u003eESC: 12A continuous\u003c\/li\u003e\n\u003cli\u003eRX: Serial ELRS 2.4GHz (V3.4.3)\u003c\/li\u003e\n\u003cli\u003eFC Firmware:\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eBetaflight_4.5.1_BETAFPVG473 (3IN1 version), Betaflight_4.5.2_BETAFPVG473_V2 (4IN1 version)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSB Port: SH1.0-4Pin\u003c\/li\u003e\n\u003cli\u003eOSD: AT7456E (4IN1 version only)\u003c\/li\u003e\n\u003cli\u003eHD Digital VTX Port: SH1.0-6Pin (3IN1 version only)\u003c\/li\u003e\n\u003cli\u003eMotor Plug: JST1.25-3Pin\u003c\/li\u003e\n\u003cli\u003eBattery Connector: BT2.0\u003c\/li\u003e\n\u003cli\u003eMounting Size: 25.5mm x 25.5mm\u003c\/li\u003e\n\u003cli\u003eWeight (3IN1 Version): 3.8±0.1g (battery connector excluded), 4.2±0.1g (battery connector included)\u003c\/li\u003e\n\u003cli\u003eWeight (4IN1 Version): 3.6±0.1g (battery connector excluded), 4.6±0.1g (battery connector included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eESC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower Input: 1S only \u003c\/li\u003e\n\u003cli\u003eCurrent: 12A continuous, 18A peak\u003c\/li\u003e\n\u003cli\u003eESC Firmware: A_X_5_96_v0.19.2.hex for BB51 Bluejay firmware \u003c\/li\u003e\n\u003cli\u003eDigital Signal Protocol: DSHOT300, DSHOT600\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable border=\"0\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"118\" valign=\"center\"\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"148\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cb\u003e\u003cspan\u003eMatrix 1S 3IN1\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"143\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cb\u003e\u003cspan\u003eMatrix 1S 4IN1\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"158\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cb\u003e\u003cspan\u003eF4 1S 5A AIO\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"118\" valign=\"center\"\u003e\n\u003cp class=\"p\"\u003e\u003cspan\u003eMCU\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"292\" valign=\"center\" colspan=\"2\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003eSTM32G473CEU6\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"158\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003eSTM32F411CEU6\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"118\" valign=\"center\"\u003e\n\u003cp class=\"p\"\u003e\u003cspan\u003eMCU frequency\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"292\" valign=\"center\" colspan=\"2\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003e168MHz\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"158\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003e108MHz\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"118\" valign=\"center\"\u003e\n\u003cp class=\"p\"\u003e\u003cspan\u003eGyro, max. sampling rate\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"292\" valign=\"center\" colspan=\"2\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003eICM42688P, 8KHz\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"158\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003eBMI270, 3.2KHz\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"118\" valign=\"center\"\u003e\n\u003cp class=\"p\"\u003e\u003cspan\u003eESC\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"292\" valign=\"center\" colspan=\"2\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003e12A continuous\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"158\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003e1S, 5A\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"118\" valign=\"center\"\u003e\n\u003cp class=\"p\"\u003e\u003cspan\u003eBlackbox\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p\"\u003e\u003cspan\u003ememory\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"292\" valign=\"center\" colspan=\"2\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003e16M\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"158\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003e8M\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"118\" valign=\"center\"\u003e\n\u003cp class=\"p\"\u003e\u003cspan\u003eOSD\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"148\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003e-\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"302\" valign=\"center\" colspan=\"2\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003eBetaflight OSD: AT7456E\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"118\" valign=\"center\"\u003e\n\u003cp class=\"p\"\u003e\u003cspan\u003eRX\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"451\" valign=\"center\" colspan=\"3\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003eOnboard Serial ELRS 2.4GHz\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"118\" valign=\"top\"\u003e\n\u003cp class=\"p\"\u003e\u003cspan\u003eMotor p\u003c\/span\u003e\u003cspan\u003elug\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"451\" valign=\"center\" colspan=\"3\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003eJST1.25\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"118\" valign=\"center\"\u003e\n\u003cp class=\"p\"\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"148\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003e3.8g\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"143\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003e3.6g\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"158\" valign=\"center\"\u003e\n\u003cp class=\"p\" align=\"center\"\u003e\u003cspan\u003e3.64g\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/Matrix_1S_FC_4IN1_3IN1_-_STM32G473_MCU.jpg?v=1750673386\" alt=\"Matrix 1S FC 4IN1 \u0026amp; 3IN1 - STM32G473 MCU\"\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDiagram\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMatrix 1S Brushless Flight Controller (3IN1):\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg alt=\"Matrix 1S 3IN1 HD FC top front\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/Matrix_1S_3IN1_HD_FC_top_front_600x600.jpg?v=1750833104\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg alt=\"Matrix 1S 3IN1 HD FC\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/Matrix_1S_3IN1_HD_FC_bottom_front_600x600.jpg?v=1750820016\"\u003e\u003c\/div\u003e\n\u003cdiv\u003eMatrix 1S Brushless Flight Controller (4IN1):\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg alt=\"Matrix 1S 4IN1 FC\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/Matrix_1S_4IN1_FC_top_front_600x600.jpg?v=1750819988\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg alt=\"Matrix 1S 4IN1 FC\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/Matrix_1S_4IN1_FC_bottom_front_600x600.jpg?v=1750819916\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-Resilient BEC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1S whoops often fly at voltages as low as 3.3V and digital image transmission requires higher current, placing significant demands on the BEC. To meet these challenges, an advanced BEC has been developed, capable of delivering over 3A of current at ultra-low voltages down to 2.85V. This ensures stable image transmission even in critical situations. While flying to such low voltages isn't recommended, this innovation provides pilots with a greater chance of safely recovering from unexpected situations.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/BEC_for_Matrix_1S_3IN1_HD_FC.jpg?v=1735545117\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced Continuous 12A ESC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhether powering digital HD systems or high-performance analog builds, 1S whoops demand ESCs that won’t flinch. Our engineers exceeded expectations, delivering a robust ESC with 12A continuous output and 18A peak capacity on the iconic \"cross\" flight controller. This ensures optimal thrust-to-weight ratio, reliable performance, and worry-free high-definition flights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIndividual Power Supply for IMU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike traditional shared power supply designs, the Matrix 1S FC features an independent 3.3V LDO power supply exclusively for the IMU. This innovation eliminates interference, creating a cleaner and more stable environment that enhances flight precision, improves sensitivity, and reduces the risk of performance issues—ensuring unmatched stability during every flight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhoop-ready Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEquipped with convenient motor plugs and a SH1.0-6Pin HD digital port, the 3IN1 version allows for a completely solder-free installation and maintenance process. Spend less time building and more time flying HD whoops.\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg alt=\"Matrix 1S 3IN1 HD FC motor plug and HD digital port\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/Matrix_1S_3IN1_HD_FC_motor_plug_and_HD_digital_port.jpg?v=1750832823\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe 4IN1 version retains soldering pads for external analog VTX, giving you protocol freedom while reducing voltage ripple interference for cleaner video signals.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/Matrix_1S_4IN1_FC_soldering_pads_for_external_analog_VTX.jpg?v=1752560267\" alt=\"Matrix 1S 4IN1 FC soldering pads for external analog VTX\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial ELRS 2.4G RX\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSerial ELRS 2.4G RX uses the Crossfire serial protocol (CRSF protocol) to communicate between the receiver and the flight controller board. So the Serial ELRS 2.4G RX is available to support upgrading to ELRS V3.0 with no need to flash Betaflight flight controller firmware. Enter binding status by power on\/off three times.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlugin and unplug the flight controller three times;\u003c\/li\u003e\n\u003cli\u003eMake sure the RX LED is doing a quick double blink, which indicates the receiver is in bind mode;\u003c\/li\u003e\n\u003cli\u003eMake sure the RF TX module or radio transmitter enters binding status, which sends out a binding pulse;\u003c\/li\u003e\n\u003cli\u003eIf the receiver has a solid light, it's bound.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Serial ELRS 2.4G RX can be updated via Wi-Fi or Betaflight serial passthrough. Here is the way to update the Serial ELRS 2.4G RX firmware through passthrough.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlug in your FC to your computer, connect to ExpressLRS Configurator instead of Betaflight Configurator;\u003c\/li\u003e\n\u003cli\u003eChoose target \"BETAFPV 2.4GHz AIO RX\";\u003c\/li\u003e\n\u003cli\u003eFlash using the B\u003cspan\u003eetaflight\u003c\/span\u003e\u003cspan\u003ePassthrough option in ExpressLRS Configurator.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003e\u003ca href=\"https:\/\/support.betafpv.com\/hc\/en-us\/articles\/4404231679129-How-to-Flash-Firmware-of-ELRS-RX-TX\"\u003eHow to flash firmware via Wi-Fi here.\u003c\/a\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBetaflight Firmware and CLI\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBetaflight official developers recommend using version 42688 of the gyroscope, and many issues with ICM42688 have been fixed in version 4.5.0. Please learn more from version 4.5.1 and 4.5.2.\u003c\/p\u003e\n\u003cp\u003eMatrix 1S Brushless Flight Controller (3IN1):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFC firmware: Betaflight_4.5.1_BETAFPVG473, download the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/support.betafpv.com\/hc\/en-us\/articles\/41037090524697-Firmware-for-Matrix-1S-Brushless-Flight-Controller-3IN1-HD\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003efirmware and CLI dump file\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eReference link:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/github.com\/betaflight\/betaflight\/releases\/tag\/4.5.1\" rel=\"noopener\" target=\"_blank\"\u003ehttps:\/\/github.com\/betaflight\/betaflight\/releases\/tag\/4.5.1\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMatrix 1S Brushless Flight Controller (4IN1):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFC firmware: Betaflight_4.5.2_BETAFPVG473_V2, download the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/support.betafpv.com\/hc\/en-us\/articles\/48215862783769-Firmware-for-Matrix-1S-Brushless-Flight-Controller-4IN1\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003efirmware and CLI dump file\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eReference link:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/github.com\/betaflight\/betaflight\/releases\/tag\/4.5.2\" rel=\"noopener\" target=\"_blank\"\u003ehttps:\/\/github.com\/betaflight\/betaflight\/releases\/tag\/4.5.2\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eIMPORTANT: \u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003e\u003cspan\u003eStarting Jan 5, 2026, we will be shipping 3IN1 FC equipped with the BMI270 gyroscope. Before flashing firmware, please verify your gyroscope version to ensure compatibility.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eThe Matrix 1S 3IN1 and 4IN1 require different firmware - always verify your version before flashing to avoid performance issues.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBluejay ESC Firmware\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith BB51 ESC solution, Matrix 1S 3IN1 HD Brushless Flight Controller is based on A_X_5_96_v0.19.2.hex for BB51 Bluejay firmware, it supports DSHOT300, DSHOT600, and even RPM filtering in Betaflight, offers 24KHz, 48KHz, and 96KHz fixed PWM frequency for options, and custom start-up melodies. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca href=\"https:\/\/github.com\/bird-sanctuary\/bluejay\" class=\"rte__image\" target=\"_blank\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopifycdn.net\/s\/files\/1\/1778\/6615\/files\/1_f1e8c5ed-49a0-488e-8ba6-74c3ff08aa56_160x160.png?v=1668162831\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDO NOT flash the firmware with a shorter interval, \u003c\/strong\u003eotherwise, there will be a certain chance of stalling and burning the flight controller.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eESC-Configurator:\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/preview.esc-configurator.com\/\"\u003ehttps:\/\/preview.esc-configurator.com\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eDownload\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/github.com\/4712\/BLHeliSuite\/releases\/tag\/16714903\" rel=\"noopener\" target=\"_blank\"\u003eBLHeliSuite16714903\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eDownload the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/github.com\/bird-sanctuary\/bluejay\/releases\" rel=\"noopener\" target=\"_blank\"\u003eBluejay ESC firmware,\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eplease choose A_X_5_96_v0.19.2.hex.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/bluejay_v0.19.2.png?v=1734950472\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Use Serial Ports, Intergrated RX and VTX\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUART3 is connected to the built-in serial ELRS RX. To release UART3, please remove the resistor. Additionally, Matrix 1S FC reserves 2 complete full-featured serial ports that can be used for external serial receivers, GPS, HD VTX, or other serial devices. Refer to the pictures below.\u003c\/p\u003e\n\u003cp\u003eMatrix 1S Brushless Flight Controller (3IN1):\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/Matrix_1S_3IN1_HD_FC_connection_guide.jpg?v=1735895822\"\u003e\u003c\/div\u003e\n\u003cdiv\u003eMatrix 1S Brushless Flight Controller (4IN1):\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1778\/6615\/files\/Matrix_1S_4IN1_FC_connection_guide.jpg?v=1750318602\" alt=\"Matrix 1S 4IN1 FC connection guide\"\u003e\u003c\/div\u003e","brand":"BetaFPV","offers":[{"title":"Default Title","offer_id":41990660718672,"sku":"BF1200","price":58.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1343\/5043\/files\/Matrix_1S_3IN1_HD_FC_back_900x_52058646-d3ea-44a3-aaa8-c3a9b1306de5.webp?v=1770245056","url":"https:\/\/dronedynamics.ca\/products\/matrix-1s-brushless-flight-controller-3in1-bmi270","provider":"DroneDynamics.ca","version":"1.0","type":"link"}