{"product_id":"happymodel-cruxf405-hd-aio-flight-controller-2-4s-20a-esc-uart-elrs-2-4ghz-20x20mm","title":"Happymodel CruxF405 HD AIO Flight Controller 3-4S 20A ESC-UART ELRS 2.4GHz- 20x20mm","description":"\u003cp\u003e\u003cspan\u003eThe CruxF405HD ELRS AIO flight controller comes with integrated UART 2.4GHz ExpressLRS receiver and 20A Blheli_s ESC(Bluejay firmware pre-installed) which could support 3-4s battery. Bigger Mosfet could support high to 20A currents would be better for 3-4S toothpick drone or long range FPV drone. Reserved 6 pin socket for DJI HD equipment plug and play. It’s a great solution of build HD digital FPV drone .\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNo longer supports 2S, only 3S-4S.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCheck out all our \u003c\/span\u003e\u003ca href=\"https:\/\/pyrodrone.com\/collections\/flight-controllers\" title=\"Flight Controllers for FPV Drone Racing and Freestyle sold by Pyrodrone\" target=\"_blank\"\u003eFlight Controllers\u003c\/a\u003e\u003cspan\u003e and the rest of our \u003c\/span\u003e\u003ca title=\"Happymodel Products For FPV Drone Racing and Freestyle Sold At Pyrodrone\" href=\"https:\/\/pyrodrone.com\/collections\/happymodel-products\" target=\"_blank\"\u003eHappyModel Products\u003c\/a\u003e\u003cspan\u003e!\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/www.happymodel.cn\/wp-content\/uploads\/2024\/01\/F405-HD-Flight-controller-compair.jpg\"\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2778\/6650\/files\/11_6bcf97c6-b61e-4a5a-8e9d-0ddd67fa7c24.jpg?v=1705313869\" alt=\"\"\u003e\u003c\/h3\u003e\n\u003ch3\u003eSPECIFICATIONS:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFlight controller\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMCU: STM32F405RGT6 (168MHZ, 1Mbyte FLASH)\u003c\/li\u003e\n\u003cli\u003eGYRO Sensor: ICM42688  (SPI connection)\u003c\/li\u003e\n\u003cli\u003eMount hole size: 20mm*20mm\u003c\/li\u003e\n\u003cli\u003ePower supply: 3~4S battery input (DC 8.7V-17.4V)\u003c\/li\u003e\n\u003cli\u003eBuilt-in 20A(each) Blheli_S 4in1 ESC\u003c\/li\u003e\n\u003cli\u003eBuilt-in Serial ExpressLRS 2.4G (Default connected to UART2)\u003c\/li\u003e\n\u003cli\u003eBuilt-in BMP280 Barometer\u003c\/li\u003e\n\u003cli\u003eBuilt-in 8MBp blackbox\u003c\/li\u003e\n\u003cli\u003eBuilt-in voltage meter sensor , voltage meter scale 110\u003c\/li\u003e\n\u003cli\u003eBuilt-in current meter sensor , current meter scale 470\u003c\/li\u003e\n\u003cli\u003eFlight controller firmware target: BETAFLIGHTF4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eOnboard 4in1 ESC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eMCU upgraded to EFM8BB21\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003ePower supply: 3-4S LiPo\/LiPo HV (7v\/17v)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCurrents: 20A continuous peak 25A (5 seconds)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eSupport BLHeliSuite programmable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eFactory firmware: Bluejay 0.19.2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eFirmware target: F_H_40_48_v0.19.2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDefault protocol: DSHOT150\/DSHOT300\/DSHOT600\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eOnboard UART ExpressLRS 2.4GHz Receiver\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003ePacket Rate option: 25Hz\/50Hz\/150Hz\/250Hz\/500Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eRF Frequency: 2.4GHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eAntenna plug: IPEX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eTelemetry output Power: \u0026lt;12dBm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eReceiver protocol:  CRSF\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDefault firmware version: ExpressLRS V3.0.1\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eOnboard voltage and Amperage meters  settings\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eVoltage meter scale setting 110\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eAmperage meter scale setting 470\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBinding procedure:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eSupply power to the flight controller by plug USB, wait until the red LED on the FC is off, immediately turn off the power, and then repeat again the above steps. When the FC is powered on for the third time, the red LED light will start to double-flash, which means that the Receiver enters the binding mode\u003c\/li\u003e\n\u003cli\u003ePlease make sure your ExpressLRS tx module firmware is v3.x.x. And go to ExpressLRS.lua from “TOOLS” menu of your radio transmitter. Then hit [Bind] to binding with the onboard ExpressLRS receiver. The red LED should blinking slowly first then turn to solid, that means binding was successfully. If the red led keep tri-flash after binding ,please change Model Match tab value from “off” to “on” or from “on” to “off”\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eReceiver LED status meanings:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRed LED solid means bind successful or RC link established; Red LED double-flash means get into bind mode; Red LED flash slowly means no RC signal input from TX module; Red LED continuous flash fast means ExpressLRS wifi enabled; Red LED tri-flash means model mismatch need to change model match from “off” to “on”.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUART description:\u003c\/strong\u003e\u003cbr\u003eELRS receiver was connected to UART2 default out of factory.\u003cbr\u003eUsually UART1 or UART6 Could be used for MSP OSD with HD VTX.\u003cbr\u003eUART6 could be used for GPS or other serial equipment.\u003cbr\u003eIRX6 is an inverted serial RX6 for SBUS input.\u003cbr\u003eIRX6 and TX6\/RX6 couldn’t be used at the same time.\u003c\/p\u003e\n\u003cdiv class=\"entry-content\"\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eNOTES:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eIf upgrade firmware to betaflight 4.4.x , need to add custom Defines “GYRO_SPI_ICM42688P ACC_SPI_ICM42688P” from build configuration of betaflight configurator otherwise gyro will not working . \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cimg height=\"478\" width=\"1000\" alt=\"\" srcset=\"https:\/\/www.happymodel.cn\/wp-content\/uploads\/2024\/01\/flash-firmware.jpg 1000w, https:\/\/www.happymodel.cn\/wp-content\/uploads\/2024\/01\/flash-firmware-300x143.jpg 300w, https:\/\/www.happymodel.cn\/wp-content\/uploads\/2024\/01\/flash-firmware-768x367.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" src=\"https:\/\/www.happymodel.cn\/wp-content\/uploads\/2024\/01\/flash-firmware.jpg\" class=\"alignnone size-full wp-image-6921\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003eIf you want to enable Barometer , please connect to betaflight configurator and go to CLI command ,then type the following command:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eresource I2C_SCL 2 B10\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eresource I2C_SDA 2 B11\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eset baro_bustype = I2C\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eset baro_i2c_device = 2\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003esave\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"single-share-box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003ePackage Includes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Happymodel CruxF405 HD AIO Flight Controller 2-4S 20A ESC-UART ELRS 2.4GHz- 20x20mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2778\/6650\/files\/1-1000x500.jpg?v=1705314072\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"HappyModel","offers":[{"title":"Default Title","offer_id":68063128912122,"sku":"K3-12641","price":55.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/6632\/1146\/files\/5_09fcac71-7004-4943-a99d-017788f815a8.jpg?v=1793669388","url":"https:\/\/aeroforgerc.store\/products\/happymodel-cruxf405-hd-aio-flight-controller-2-4s-20a-esc-uart-elrs-2-4ghz-20x20mm","provider":"AeroForge RC","version":"1.0","type":"link"}