HappyModel CrazyF405 ELRS HD 1-2S AIO Flight Controller

Description

The HappyModel CrazyF405 ELRS HD 1-2S AIO Flight Controller is engineered for ultimate Digital HD FPV performance, featuring an F405 chip, built-in Serial ELRS receiver, and 4-IN-1 Blheli_S 12A ESC. With optimized PCB layout, integrated BMP280 barometer, 8Mbp blackbox, and 3 complete UARTs, it delivers seamless control for Tinywhoop, Cinewhoop, and Toothpick drones. Supporting Betaflight and INAV firmware, it ensures smooth, responsive flights with 1-2S LiPo/LiHV compatibility.

Specifications:

• Brand 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, 1Mbyte FLASH)
• 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 2.4GBuilt-in BMP280 Barometer
• Built-in 8MBp blackbox
• Built-in voltage meter sensor , voltage meter scale 110Built-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 V0.19Firmware 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
• RF Frequency: 2.4GHz
• Antenna: enameled copper wire 31mm length
• Telemetry output Power: <12dBm
• Default firmware version: ExpressLRS V3.0.1
• Firmware target: HappyModel EP1/2 2400 RX
• Could update firmware via ExpressLRS configurator

Package Includes:

• 1 x HappyModel CrazyF405 ELRS HD 1-2S AIO Flight Controller