Overview
The Foxeer F722 Mini V4 Flight Controller is a high-performance 20x20mm FC designed for FPV drones requiring stability, precision, and durability. Featuring the STM32F722RET6 CPU and ICM-42688-P gyro, it ensures fast processing and accurate flight control. Supporting 2–6S LiPo input, a regulated 5V/2.5A BEC output, and integrated Betaflight OSD, this controller delivers the power and flexibility needed for advanced FPV builds. With its compact 26x26mm board and 20x20mm mounting holes (Φ4mm), it fits perfectly into mini racing drones while maintaining excellent heat dissipation and layout efficiency.
Key Features
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Powerful CPU: STM32F722RET6 for high-speed flight calculations.
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Precision Gyro: ICM-42688-P with excellent vibration resistance.
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Wide Power Range: 2–6S LiPo compatibility with stable DC5V/2.5A BEC output.
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Betaflight OSD: Real-time data overlay for enhanced flight monitoring.
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ESC Telemetry (RX4): Supports communication with modern ESCs.
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Smart Audio & Buzzer: Integrated features for easy VTX and alarm management.
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LED Strip Support: 1 set WS2812 LED output for customizable lighting.
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Compact & Lightweight: 26x26mm size, 20x20mm mounting, only 4g weight.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | Foxeer F722 Mini V4 (ICM42688) |
| CPU | STM32F722RET6 |
| Gyro | ICM-42688-P |
| Power Supply | 2–6S LiPo |
| BEC Output | DC5V / 2.5A |
| OSD | Betaflight OSD |
| Black Box | 16M Flash Memory |
| UART | 4 sets |
| ESC Telemetry | RX4 |
| Buzzer | Supported |
| Smart Audio | Supported |
| LED Output | 1x WS2812 LED set |
| USB | Micro USB |
| Firmware | FOXEERF722V4 (Betaflight) |
| Dimensions | 26x26mm |
| Mounting Holes | 20x20mm, Φ4mm |
| Weight | 4g |
| Working Temp. | -20℃ to +55℃ |
| Humidity | 20–95% |
| Storage Temp. | -20℃ to +70℃ |
Package Includes
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1x Foxeer F722 Mini V4 Flight Controller
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4x Rubber Columns
Applications
The Foxeer F722 Mini V4 FC is ideal for FPV racing drones, freestyle quads, and lightweight cinematic builds, offering excellent performance, reliable filtering, and flexible wiring options (including DJI HD and Caddx Vista VTX compatibility).
Details

Foxeer F722 Mini V4 flight controller includes ICM-42688-P gyro, STM32F722RET6 CPU, supports 2–6S LiPo, has 4 UARTs, 5V/2.5A output, and offers excellent layout and filtering.

Foxeer F722 Mini V4 flight controller wiring diagram with camera, GPS, compass, buzzer, and LED connections.

Foxeer F722 Mini V4 flight controller wiring diagram with camera, GPS, compass, LED, buzzer, and receiver connections.
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