The Redfox A3 combines an STM32F722 flight controller and 45A BLHeli_32 ESC in a compact 25.5mm AIO board for 2-inch to 3.5-inch FPV builds. A separate USB-C adapter board lets you place the port somewhere accessible.
Why You Want It
F722 processing, ICM42688-P gyro and onboard barometer.
Six UARTs, a 5V 2.5A BEC and a direct DJI 6-pin connection provide room for peripherals.
The 45A ESC supports 2S to 6S LiPo and DShot300/600.
Specifications
MCU: STM32F722
IMU: ICM42688-P
Firmware target: SUB250REDFOX722AIO
OSD: AT7456E
Barometer: Built in
UARTs: 6
BEC: 5V 2.5A
Mounting: 25.5 x 25.5mm, M3 reducing to M2 with grommets
Board size: 33.5 x 33.5 x 6.45mm
Board weight: 8.7g
ESC continuous current: 45A
ESC burst current: 55A for 10 seconds
Input: 2S to 6S LiPo
ESC firmware: BLHeli_32
What's Included
1 x Redfox A3 45A AIO
1 x external USB-C module with 150mm cable
1 x 6-pin DJI cable
Silicone grommets, mounting hardware, capacitor, XT30 power lead and support card
