Sub250 Redfox A3 F722 35A/45A 4in1 AIO Flight Controller for 2 to 3.5 inch Drones - Choose Version

Introducing the Redfox A3 series flight controller, a new choice in lightweight FPV drones brought to you by the Sub250 team.
Designed specifically for 2 to 3.5-inch drones, it integrates the powerful computational capabilities of the F722 MCU to ensure exceptional flight performance.
Featuring an independently designed Type-C adapter board, it can be conveniently placed at any location on the frame for quick parameter adjustments.
Onboard DJI 6-Pin interface, offering direct connectivity to digital video transmission systems.
Equipped with four sets of UART ports, providing more possibilities for installation and upgrades. It also comes with a 5V@2.5A BEC to meet the increasing demand for additional peripherals.
Sub250 is committed to combining “lightweight” and “high performance” to bring a brand new experience to the racing drone field. The Redfox A3 series flight controller helps you explore the perfect fusion of lightweight design and exceptional performance.

Check out all our Whoop Style AIO Flight Controllers and the rest of our Sub250 Products! 

Features:

FC Specifications:

• MCU: STM32F722
• IMU: ICM42688-P
• Firmware Target Name: SUB250REDFOX722AIO
• OSD Chip: AT7456E
• Barometer: Built-in
• UART: 6 sets (UART1, UART2, UART3 for Digital VTX SBUS receiver, UART4, UART5 for ESC telemetry, UART6)
• External Buzzer: Supported
• External LED: Supported
• 6-Pin DJI Air Unit Plug: Supported
• USB Port Type: SH1.0 5PIN to Type-C
• BEC Output: 5V 2.5A
• Mounting: 25.5mm x 25.5mm, φ3mm hole reduces to φ2mm with Anti-vibration Silicone Grommet
• Dimension: 33.5mm(L) x 33.5mm(W) x 6.45mm(H) ,1.6mm Board Thickness
• Weight：8.7g

ESC Specifications:

• Continuous Current: 35A/45A
• Burst Current: 45(10s)/55A(10s)
• Power Input: 2~6S (LiPo Battery)
• ESC Protocol: Dshot300, Dshot600
• Current Sensor: Supported
• ESC Firmware: BLHeli_32

Download the Installation Manual Here

Package Includes:

• 1 x Redfox A3 35A/45A AIO
• 1 x External USB-C Port Module (Wire Length:150mm)
• 1 x 6Pin DJI Air Unit Connecting Cable
• 5 x M2*6.5 Black Anti-vibration Silicone Grommets（4 x Pre-installed）
• 5 x M2*6.5 Red Anti-vibration Silicone Grommets
• 5 x M2x10 Screws
• 8 x M2 Nylon Nuts
• 1 x 35V 470uf Capacitor
• 1 x XT30 16AWG 70mm Power Cable
• 1 x Manual & Support Card