The HAKRC F722 50A AIO Flight Controller is a high-performance all-in-one solution designed for 3–6S FPV drones, cinewhoops, and freestyle builds. It integrates a powerful 32-bit STM32F722RET6 processor, BLHeli_32 50A ESC, and dual independent BECs (5V/2.5A & 10V/2A) in a compact 40×30mm layout with a 20x20mm mounting hole pattern.
With support for modern DJI FPV systems, adjustable LED strips, and high-frequency 128KHz PWM, this board is built for serious FPV pilots who demand performance, stability, and durability.
Key Features
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STM32F722RET6 processor with 5 UARTs and OSD
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ICM42688 gyro and integrated barometer for accurate flight data
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16MB black box flash memory for detailed flight logging
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Built-in current sensor and telemetry support
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Dual BECs: 5V/2.5A + 10V/2A
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Compact size: 40x30mm with 20x20mm mounting
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Integrated 4-in-1 50A ESC with 2–6S LiPo input
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Fully compatible with DJI FPV and O3 Air Unit
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High-end materials: 8-layer 2oz copper PCB, imported 40V MOSFETs, Murata capacitors
Flight Controller Specifications
| Parameter | Details |
|---|---|
| MCU | STM32F722RET6 |
| Gyro | ICM42688 |
| OSD | AT7456E |
| Barometer | Integrated |
| Black Box | 16MB Flash |
| Current Sensor | Built-in |
| LED Output | Supports programmable LED (e.g., WS2812) |
| Receiver Compatibility | ELRS, TBS Crossfire, FrSky, Futaba, FlySky, DSMX/DSM2 |
| Firmware | HAKRC F7220D |
| Mounting Pattern | 20×20mm |
| Board Size | 40×30mm |
| Net Weight | 10g |
| Package Weight | 54g |
ESC Specifications
| Parameter | Details |
|---|---|
| Firmware | BLHeli_32 (HAKRC_AT4G_Multi_32.9.hex) |
| Input Voltage | 2S–6S LiPo |
| Continuous Current | 50A |
| Burst Current | 60A |
| PWM Frequency | 24–128KHz |
| Supported Protocols | PWM, Oneshot125, Oneshot42, Multishot, DShot150/300/600 |
| MOSFETs | Imported 40V high-current MOS (Model: 8010) |
| Current Sense Ratio | 200 |
PCB & Build Quality
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8-layer 2oz copper PCB with resin plug-hole technology for improved durability and thermal performance
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Dual pad layout for robust soldering and current flow
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Industrial-grade LDO ensures thermal stability
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High-quality Japanese Murata capacitors provide superior filtering and ripple suppression
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Optimized for high load environments and voltage spike protection
Package Contents
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1× HAKRC F722 50A AIO Flight Controller
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4× M2 shock-absorbing grommets
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1× XT60 power lead
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1× 35V/470μF capacitor
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1× USB-C breakout board
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1× DJI FPV Cable
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1× DJI O3 Air Unit 3-in-1 Cable
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1× Silicone signal cable
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1× User manual
Ideal For
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5-inch FPV racing drones
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Cinewhoops and freestyle drones
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DJI O3 / Vista digital FPV builds
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Pilots needing high current draw with integrated FC+ESC

HAKRC F7220 32-bit AIO interface diagram details connections for air unit, GPS, VTX, camera, motors, SBUS receiver, TBS, and ampere meter, including pinout and voltage specs.

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