
Happymodel CrazyF4 ELRS AIO 5in1 Flight controller built-in 900MHz(915MHz or 868MHz optional) ELRS Receiver
Happymodel CrazyF4 ELRS AIO 5in1 Flight controller built-in 900MHz(915MHz or 868MHz optional) ELRS Receiver Specifications:Flight controllerMCU: STM32F411CEU6 (100MHZ, 512K FLASH)Sensor: MPU-6000(SPI connection)Original whoop size compatiblePower supply: 1S battery input (DC 2.9V-4.35V)Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 readyBuilt-in Betaflight OSD(SPI Control)Built-in 5.8G VTXBuilt-in Serial-based ExpressLRS 900MHz receiver(915MHz or 868MHz optional)Built-in 5V 1A BECFlight controller firmware target: CRAZYBEEF4DXOnboard 4in1 ESCMCU upgraded to EFM8BB21Power supply: 1S LiPo/LiPo HVCurrent: 5A continuous peak 6A (3 seconds)Support BLHeliSuite programmableFactory firmware: O_H_5_REV16_8.HEXDefault protocol: DSHOT600Onboard Serial-based ELRS ReceiverOperation current: ~100MaRx To FC protocol: CSRFRF Frequency optional: 915mhz or 868mhz(EU)Antenna connector: IPEX4Telemetry output Power: <17dBmFirmware target: Happymodel_RX_ES915RXReceiver protocol: CRSFCould bind with Happymo