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    *Warning this product is not designed for voltages above 4.2V. Use of HV Lipo will cause erratic behavior with the FC

    This 5-in-1 flight controller is inspired by Happymodel's Official Pilot - Angry Don FPV! The Happymodel Diamond F4 AIO 5-IN-1 Flight controller has a built-in VTX, ESC, OSD, and receiver - all on one triangle-shaped whoop board!

    The 3 corners fit 25.5mm whoop mounting spacing.


    • Diamond Mounting Pattern - 22.2x22.2x32.7mm
    • Built-in 5V/1A BEC
    • Built-in SPI Frsky Receiver
    • Built-in Betaflight OSD (SPI Control)
    • Built-in 5A Blheli_S 4in1 ESC, Dshot600 ready
    • Built-in 25-200mW 5.8GHz VTX


    Flight controller

    • (Frsky SPI RX version) DiamondF4 FR FC Firmware target: CrazybeeF4FR
    • MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
    • Sensor: MPU-6000 (SPI connection)
    • Original whoop size compatible
    • Power supply: 1S battery input (DC 2.9V-4.35V)
    • Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 ready
    • Built-in Betaflight OSD(SPI Control)
    • Built-in 5.8G VTX
    • Built-in SPI Frsky/Flysky receiver
    • Built-in 5V 1A BEC

    Onboard 4in1 ESC

    • MCU upgraded to EFM8BB21
    • Power supply: 1S LiPo/LiPo HVCurrent: 5A continuous peak 6A (3 seconds)
    • Support BLHeliSuite programmable
    • Factory firmware: O_H_5_REV16_8.HEX
    • Default protocol: DSHOT600

    Onboard Frsky SPI D8 Receiver Version

    • SPI BUS receiver Frsky D8 compatible
    • Compatible Non-EU transmitter D8 model Channels: 8ch
    • Failsafe support
    • No ground interference (Transmitter and receiver 1 m from the ground): 200m~300m

    Onboard 5.8g VTX

    • Output power: 25mw~200mw switchable
    • Frequency: 40CH
    • Input voltage: 3.3V 5.5V
    • Current consumption: 300mA(type)
    • Frequency: 5.8GHz - Smart audio ready


    • 1x HappyModel DiamondF4 FR AIO 5in1 Flight Controller - SPI Frsky
    • 2x Connecting Wire
    • 4x Damping Balls
    • 4x Screws

    Customer Reviews

    Based on 1 review
    Diamond F4

    Great flight controller, using it for a Nano Long range project, everything I expected. Great service and fast shipping from NewBeeDrone

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