Notes SPI Frsky version comes with the new X12 FRSKY AIO flight controller nowSPI Flysky version comes with Betaflight 4 2 2 firmware Bind code is Bind rx in the CLI commandSPI DSMX version comes with Customized Betaflight 4 3 0 firmware Bind code is Bind rx in the CLI command The receiver firmware of RXSR version is R XSR FCC 190311 that is not compatible with ISRM v2 x x use ISRM V1 1 3 Notice Because the MPU6000 is out of production the flight controller and related Drone will gradually be replaced by ICM20689 or BMI270 Specification Brand Name HappymodelModel Crux3Item Name 115mm F4 OSD 1 2S 3 Inch Toothpick FPV Racing DroneWheelbase 115mmSize 97x97x35mm without propellers Optional Receiver Version Internal SPI Frsky version Compatible with ACCST D8 D16 Recommend D8 mode Internal SPI Flysky version Compatible with AFHDS and AFHDS 2A Flysky transmitter Internal SPI DSM2 DSMX version Compatible with Spektrum or Multiprotocol DSM2 X radio Weight 41g without battery Recommend Lipo Battery 2s 350mah 400mah 450mah 520mah Battery NOT Included EX1202 5 6400KV MotorConfigu ration 9N12PStator Diamter 12mmStator Length 2 5mmShaft Diameter Φ1 5mmMotor Dimension Dia Len Φ14 14 5mmWeight 4 4gNo of Cells Lipo 1 2SGemfan 3018 2 Blade PropellerCenter Thickness 5 5mmProp Diameter 76 5mmCenter Hole diameter 1 5mm CrazybeeX FR V2 2 F4 Flight ControllerMCU STM32F411CEU6 100MHZ 512K FLASH Sensor MPU6000 or ICM20689 or BMI270 SPI connection Board Size 28 5x28
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