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Firmware
INAV
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Ardupilot
MicoAir405v2 flight controller board is officially supported by Ardupilot starting from version 4.5.0. You can update the firmware through Mission Planner or download all the firmware files (Copter/Heli/Plane/Rover/etc) “s://firmware.ardupilot.org/” target=”_blank”>here. Also, you can use the online firmware builder provided by Ardupilot to customize your firmware for MicoAir405v2: “s://custom.ardupilot.org/” target=”_blank”>ArduPilot Custom Firmware Builder.
Specifications (FC)
MCU: STM32F405RGT6, 168MHz, 1MB Flash IMU: BMI088 Baro: SPL06 OSD: AT7456E MicroSD Card Slot 6x UART 10x PWM 1x I2C 1x SWD 2x ADC (VBAT, Current) USB Type-C BEC 5V 3A output (for controller, receiver, GPS, optical flow or other devices) BEC 9V 3A output (for video transmitter, camera)
UART Mapping
SERIAL0 -> USB SERIAL1 -> UART1 (DMA-enabled) SERIAL2 -> UART2 (DJI-VTX, DMA-enabled) SERIAL3 -> UART3 (GPS) SERIAL4 -> UART4 (DMA-enabled) SERIAL5 -> UART5 (ESC Telemetry) SERIAL6 -> UART6 (RX6 is inverted from SBUS pin, no DMA on TX6)
RC Input
The default RC input is configured on the UART6_RX inverted from the SBUS pin. Other RC protocols should be applied at other UART port such as UART1 or UART4, and set the protocol to receive RC data: SERIALn_PROTOCOL=23 and change SERIAL6 _Protocol to something other than ’23’.
OSD Support
The MicoAir405v2 supports OSD using OSD_TYPE 1 (MAX7456 driver).
VTX Support
The SH1.0-6P connector supports a DJI O3 Air Unit connection. Pin 1 of the connector is 9v so be careful not to connect this to a peripheral requiring 5v.
PWM Output
The MicoAir405v2 supports up to 10 PWM outputs. Channels 1-8 support DShot. Channels 1-4 support bi-directional DShot. PWM output is grouped and each group must use the same output protocol: 1,2,5,6 are group 1 3, 4 are group 2 7,8 are group 3 9,10 are in group 4
Battery Monitoring
The board has an internal voltage sensor and connections on the ESC connector for an external current sensor input. The voltage sensor can handle up to 6S LiPo batteries. The default battery parameters (for Ardupilot) are: BATT_VOLT_PIN 10 BATT_CURR_PIN 11 BATT_VOLT_MULT 21.2 BATT_CURR_SCALE 116.5
Compass
The MicoAir405v2 does not have a built-in compass, but you can attach an external compass using I2C on the SDA and SCL connector.
Physical
Mounting: 30.5 x 30.5mm, Φ4mm Dimensions: 36 x 36 x 8 mm Weight: 9g
Specifications (ESC)
Input Voltage Range: 2-6S Maximum Continuous Working Current: 50A Current Sensor: Yes ESC Firmware: BlueJay 48K Firmware Version: v0.19.2 Control Signal Support: DShot150/300/600 Supports Bidirectional Dshot, Speed Feedback Fixed Mounting Holes: M4-30.5*30.5mm, M3-20*20mm MOSFET Specifications: 40V 165A RDS=1.1mR
Package List
MicoAir F405 V2 Flight Controllera x 1 MicoAir 4 in 1 ESC x 1 12AWG Wiring x 2 ESC Signal Wiring x 1 Connecting Wiring x 7 Capacitance x 1 XT60 Plug x 1 Rubber Mat x 8
Price effective as of Mar 06, 2025 01:13:33 UTC
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