/mint-fcb

Miniature Flight Controller Board for micro/nano drones.

MIT LicenseMIT

Mint

Mint Flight Controller Board is compact under a 27 mm square to fit on Micro/Nano class drones using a standard 20 x 20 mm mount. Despite the small form factor, it features a comprehensive set of IO interfaces for a wide range of peripherals.

This repository hosts the KiCAD project of the flight controller board.

  • The PCB design is still under completion. This board has never been built and tested.
  • Firmware for this target does not exist yet.

Specifications

  • Processor and Sensors

    • STM32H723VIH6 MCU
    • ICM20602 and BMI088 IMUs
    • DPS310 Barometer

  • Interfaces

    • 10x PWM outputs (8 for motors and 2 for peripherals)
    • 1x RC input (UART 1)
    • 1x I2C bus for external sensors
    • 1x CAN bus for external sensors
    • 5x UARTs
    • 4-in-1 ESC interface for Motor outputs 1-4
    • DJI Air Unit interface (UART 8)
    • 3x GPIO pins
    • 1x microSD card slot for logging

  • Power

    • 4V - 32V voltage input (2S-7S)
    • Onboard 5V, 2A BEC for low-power peripherals

  • Physical Dimensions

    • 26.5 x 26.25 mm
    • 20 x 20 mm, M2 mount pattern

Images