{"product_id":"src-189-returner-3-6s-f405-v3-betaflight-flight-controller","title":"BrotherHobby Returner F405 V3 Flight Controller 3-6S STM32F405 ICM-42688 Type-C Betaflight","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe BrotherHobby Returner 3-6S F405 V3 flight controller is an STM32F405-based FC designed for 30.5x30.5mm builds, featuring an ICM-42688 IMU, AT7456E OSD, SPL06-001 barometer, and 16M onboard flash for Blackbox logging. It supports bidirectional DShot and is listed as supporting Betaflight and ArduPilot firmware.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMCU: STM32F405RET6 (listed frequency: 168MHZ)\u003c\/li\u003e\n\u003cli\u003eIMU: ICM-42688 six-axis motion sensor\u003c\/li\u003e\n\u003cli\u003eBidirectional DShot digital throttle communication support\u003c\/li\u003e\n\u003cli\u003eBuilt-in OSD: AT7456E\u003c\/li\u003e\n\u003cli\u003eBuilt-in barometer: SPL06-001 (real-time altitude sensing)\u003c\/li\u003e\n\u003cli\u003eBlackbox logging: 16M flash memory\u003c\/li\u003e\n\u003cli\u003eDual independent BEC outputs: 5V\/2A and 10V\/2A (10V rail includes an LC filter as described)\u003c\/li\u003e\n\u003cli\u003eUSB port: Type-C\u003c\/li\u003e\n\u003cli\u003eUp to 8 motor outputs: M1-M8\u003c\/li\u003e\n\u003cli\u003eDJI Air Unit support: direct insertion terminal block and soldering support\u003c\/li\u003e\n\u003cli\u003e6-layer PCB design with 1oz copper thickness (as described)\u003c\/li\u003e\n\u003cli\u003eGyroscope independently powered (as described) to enhance filtering and anti-interference capability\u003c\/li\u003e\n\u003cli\u003eSupports external LED, buzzer, and RSSI\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor wiring\/firmware setup assistance, contact \u003ca href=\"https:\/\/rcdrone.top\/\"\u003ehttps:\/\/rcdrone.top\/\u003c\/a\u003e or email support@rcdrone.top.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eBrotherHobby F405 V3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCPU\u003c\/th\u003e\n\u003ctd\u003eSTM32F405RET6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eListed CPU Frequency\u003c\/th\u003e\n\u003ctd\u003e168MHZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Power\u003c\/th\u003e\n\u003ctd\u003e3S-6S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e38.5*38.5mm (30.5x30.5mm hole diameter 4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIMU\u003c\/th\u003e\n\u003ctd\u003eICM-42688\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOSD\u003c\/th\u003e\n\u003ctd\u003eAT7456E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBarometer\u003c\/th\u003e\n\u003ctd\u003eSPL06-001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBlack box\u003c\/th\u003e\n\u003ctd\u003eSupport (capacity: 16M)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBEC\u003c\/th\u003e\n\u003ctd\u003e5V\/2A, 10V\/2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDJI VTX\u003c\/th\u003e\n\u003ctd\u003eSupports direct insertion and welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIIC\u003c\/th\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTelemetry (UART)\u003c\/th\u003e\n\u003ctd\u003eUART1, UART2, UART3, UART4, UART5, UART6; UART5 is ESC Telemetry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUSB Port\u003c\/th\u003e\n\u003ctd\u003eType-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalvanometer port\u003c\/th\u003e\n\u003ctd\u003ePad CUR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eESC outputs\u003c\/th\u003e\n\u003ctd\u003eM1-M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLED\u003c\/th\u003e\n\u003ctd\u003eSupport external LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTarget firmware\u003c\/th\u003e\n\u003ctd\u003ebetaflight_4.5.0 BROTHERHOBBYF405 V3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReceiving\u003c\/th\u003e\n\u003ctd\u003eSBUS, IBUS, DSM2\/X, TBS, CRSF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBuzzer\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRSSI\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e7.82g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eConnection Notes (as labeled)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGND\u003c\/strong\u003e: Ground wire (negative pole of the power supply)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVCC\u003c\/strong\u003e: Battery voltage detection signal output interface (output is battery voltage)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM1\/M2\/M3\/M4\u003c\/strong\u003e: Throttle signal input interfaces corresponding to motor No.1\/No.2\/No.3\/No.4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCUR\u003c\/strong\u003e: Current detection signal output interface (connect to the flight control current detection port)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTEL\u003c\/strong\u003e: Telemetry interface\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/rcdrone.top\/collections\/brotherhobby\" title=\"BrotherHobby\"\u003eBrotherHobby\u003c\/a\u003e F405 V3 flight controller\u003c\/li\u003e\n\u003cli\u003eM3*8mm silicone case\u003c\/li\u003e\n\u003cli\u003eSH 1.0mm 8pin 30mm flat cable\u003c\/li\u003e\n\u003cli\u003eDJI 6pin flat cable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e3S-6S FPV multirotor builds using 30.5x30.5mm mounting\u003c\/li\u003e\n\u003cli\u003eBetaflight setups (target listed: betaflight_4.5.0 BROTHERHOBBYF405 V3)\u003c\/li\u003e\n\u003cli\u003eArduPilot-compatible builds (support listed)\u003c\/li\u003e\n\u003cli\u003eIntegration with camera, 5.8GHz VTX, GPS, external LED, and popular receivers (SBUS\/IBUS\/DSM2\/X\/TBS\/CRSF)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"BrotherHobby Returner 3-6S F405 V3 Betaflight Flight controller\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BrotherHobby-Returner-3-6S-F405-V3-Betaflight-Flight.jpg?v=1776869963\"\u003e\u003cp\u003eThe Returner F405 V3 flight controller uses an ICM42688 6‑axis motion sensor and supports bidirectional DShot with Betaflight or ArduPilot firmware.\u003c\/p\u003e\n\u003cimg alt=\"BrotherHobby Returner 3-6S F405 V3 Betaflight Flight controller\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BrotherHobby-Returner-3-6S-F405-V3-Betaflight-Flight_d0991943-0106-49b3-a664-a1191e41cfa0.jpg?v=1776869972\"\u003e\u003cp\u003eThe BrotherHobby Returner F405 V3 flight controller uses an STM32F405RET6 main control chip (168MHz) on a 6-layer, 1oz copper board design.\u003c\/p\u003e\n\u003cimg alt=\"BrotherHobby Returner 3-6S F405 V3 Betaflight Flight controller\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BrotherHobby-Returner-3-6S-F405-V3-Betaflight-Flight_d8c9c79e-c036-4a2f-8bd1-424cd97823ed.jpg?v=1776869980\"\u003e\u003cp\u003eThe Returner F405 V3 flight controller features a dual independent 10V2A and 5V2A BEC power supply with added LC filtering for steadier video transmission power.\u003c\/p\u003e\n\u003cimg alt=\"BrotherHobby Returner 3-6S F405 V3 Betaflight Flight controller\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BrotherHobby-Returner-3-6S-F405-V3-Betaflight-Flight_36843f55-ec02-4a17-8555-bb5fa0c6b1d9.jpg?v=1776869987\"\u003e\u003cp\u003eBrotherHobby Returner F405 V3 flight controller uses a self-written PID algorithm for 5–13 inch drones and supports 8 motor outputs.\u003c\/p\u003e\n\u003cimg alt=\"BrotherHobby Returner 3-6S F405 V3 Betaflight Flight controller\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BrotherHobby-Returner-3-6S-F405-V3-Betaflight-Flight_f5971e9e-a6dd-4712-853d-7d86e7f71ac9.jpg?v=1776869997\"\u003e\u003cp\u003eThe BrotherHobby Returner F405 V3 flight controller includes a DJI Air Unit direct-insertion connector, a built-in barometer, and 16MB flash for storing flight logs.\u003c\/p\u003e\n\u003cimg alt=\"BrotherHobby Returner 3-6S F405 V3 Betaflight Flight controller\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BrotherHobby-Returner-3-6S-F405-V3-Betaflight-Flight_78c6d29f-a3df-4311-890c-af9a7fbd128d.jpg?v=1776870004\"\u003e\u003cp\u003eBrotherHobby Returner F405 V3 flight controller uses a 30.5x30.5mm mounting pattern and includes silicone grommets plus SH 8-pin and DJI 6-pin cables for wiring.\u003c\/p\u003e\n\u003cimg alt=\"BrotherHobby Returner 3-6S F405 V3 Betaflight Flight controller\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BrotherHobby-Returner-3-6S-F405-V3-Betaflight-Flight_2a64ef4d-7c28-4274-bb99-82e90e88f1fb.jpg?v=1776870013\"\u003e\u003cp\u003eBrotherHobby Returner F405 V3 wiring supports common FPV peripherals including camera, 5.8G VTX, LED, SBUS\/CRSF\/DSM receivers, GPS, and an air unit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BrotherHobby","offers":[{"title":"Default Title","offer_id":51950898970848,"sku":"bro-189","price":75.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/39d6acf66c.jpg?v=1776825140","url":"https:\/\/rcdrone.top\/products\/src-189-returner-3-6s-f405-v3-betaflight-flight-controller","provider":"RCDrone","version":"1.0","type":"link"}