Overview
The Holybro Kakute F405 Wing Mini is a compact flight controller designed for fixed-wing and small UAVs, featuring the STM32F405 processor and the low-noise ICM-42688-P IMU with independent LDO for enhanced stability. It includes two onboard BECs for regulated power, an integrated barometer, I2C support, and analog OSD. Tailored for small aircraft, this flight controller delivers powerful performance and precision in a compact form, making it ideal for space-constrained setups.
Features
- STM32F405 MCU running at 168 MHz
- High-Precision / low-noise ICM-42688-P IMU
- 2 On-board BEC output 5V, 5V/7.2V
- On-board voltage & current sensor
- Integrated SPL06 barometer
- I2C port Support
- Small & low-profile design fits into compact frames
- Supports INAV (7.1.2 & later), Ardupilot (4.5.6 & later), Betaflight (4.5.2 & later)
Specifications
- MCU: STM32F405RGT6, 168 MHz, 192KB RAM, 1MB Flash
- IMU: ICM-42688P (SPI1)
- Baro: SPL06 (I2C2)
- OSD: AT7456E (SPI2)
- Onboard Blackbox: 128Mbits (SPI3)
- 5x Uarts (1,2,3,5,6) and R3 is with built-in inversion
- 7x PWM output, PWM7 used for NeoPixel LED by default
- 2x ADC (Bat1/Curr1)
- 1x I2C (the I2C2 is for external devices, also for onboard sensors)
- 2x LEDs for FC STATUS (Blue) and 3.3V indicator (Green)
- USB/DFU Key Extender with USB Type-C
- High-precision Current Sense (110A continuous, 132A peak)
- Battery Voltage Sensor: 1K:10K (Scale 1100 in INAV, BATT_VOLT_MULT 11 in ArduPilot, Scale 110 in Betaflight)
- Static power 110mA @5V
FC Firmware
- ArduPilot: Kakute F405 Wing Mini (4.5.2 & later)
- INAV: Kakute F405 Wing Mini (7.1.2 & later)
- Betaflight: Kakute F405 Wing Mini (4.5.6 & later)
Power Board
- Input voltage range: 7.4~ 36V (2~ 8S LiPo)
- 2x ESC power pads
- Current Sense: 110A continuous, 132A peak. (Scale 250 in INAV, 40 A/V in ArduPilot,Scale 250 in Betaflight)
BEC 5V output
- Designed for FC, Receiver, OSD, Camera, 2812 LED Strip, GPS, Telemetry, etc.
- Output 5.3 +/- 0.1V DC
- Continuous current 3 Amps, 4.8A Peak
BEC VS output
- Designed for Servos
- Voltage adjustable, 5.3V Default, 7.2V option with Jumper pad
- Continuous current 3 Amps, 4.8A Peak
BEC 3.3V output
- Linear Regulator
- Continuous current: 150mA
Mechanical
- Mounting: 20 x 20mm, M2 hole
- Dimensions: 25x 30 x 20 mm
- Weight: 17g with USB extension board
Sample Wiring Diagram
Reference Link
Package Includes
- 1x Kakute F405-Wing Mini Flight Controller
- 1x Power Board
- 1x Bottom Board
- 1x USB-EXT Board
- 1x GPS Module (Optional)
- 1x Electrolytic capacitor: 2000uF 35v
- 3x Sets 2.54 DuPont Pin
- 1x 15cm JST-SH 6Pin Cable (For USB-EXT Board)
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