HappyModel CrazyF405HD ELRS 1-2S AIO FC Built-in UART ELRS RX 12A BLHELI_S ESC for Digital HD Bwhoop Cinewhoop Toothpick CrazyF405HD ELRS 1-2S AIO FC built-in UART ELRS receiver and 12A BLHELI_S ESC Aflight controller with a built-in Serial ELRS receiver and 4-IN-1 Blheli_S 12A ESC specially developed for Digital HD FPV, which removes the analog OSD chip 7456, optimizes the PCB layout, and supports 1-2S Lipo/LiHV lithium batteries, very Suitable for Digital HD Tinywhoop/Cinewhoop/Toothpick and other small FPV drones. The flight controller uses the F405 chip, supports Betaflight/INAV firmware, has 3 sets of complete UARTs available, and integrates a BMP280 barometerand 8Mbp blackbox, which greatly enhances the playability of the flight controller. Specifications: Name: Happymodel Item Name: CrazyF405HD ELRS 1-2S AIO Flight controller Mount size: 25.5mmx25.5mm Weight: 4.8g without power lead wire Firmware target: BetaflightF4 Support 1-2s Lipo/LiHV battery Flight controller MCU:STM32F405RGT6 (168MHZ, 1MbyteFLASH) GYRO Sensor:BMI270(SPI connection) Mount hole size: 25.5mm*25.5mm Power supply: 1-2S battery input (DC 2.9V-8.7V) Built-in 12A(each) Blheli_S 4in1 ESC Built-in Serial ExpressLRS 2.4G Built-in BMP280 Barometer Built-in 8MBp blackbox Built-in voltage meter sensor , voltage meter scale 110 Built-in current meter sensor , current meter scale 470 Onboard 4in1 ESC Power supply: 1-2S LiPo/LiPo HV Current: 12A continuous peak 15A (3 seconds) Support BLHeli_S Bluejay firmware Factory firmware: Bluejay ESC V0.19 Firmware target: Z-H-30 Default protocol: DSHOT300 When use 1s battery and high KV 0702/0802 motors, should set startup power to 1100/1200 Onboard UART ExpressLRS 2.4GHz Receiver Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz RFFrequency: 2.4GHz Antenna: enameled copper wire 31mm length TelemetryoutputPower: