FLIGHT COMPUTER

controller for any four motors based flying object according to specification mentioned below.

This repository contains hardware files and gerber files of board . this is open source project board can be used aacording to features mentioned below.

BOARD SPECIFICATION.

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• STM32f4 cortex M4 based on board microcontroller for precision and fligt data simulation.
  • core - Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator .
  • 1 Mbyte of Flash memory
  • 192+4 Kbytes of SRAM
  • Serial wire debug
• sensors
  • MPU9250.(IMU)
    • 9-axis of freedom. (6 are used).
    • accerelometer an gyroscopic values
    • Higher calibration precision.
    • for statbility and orientation of board/vehicle.
    • configured with SPI1.
  • BMP280 .(Barometer)
    • configured with I2C .
    • barometer for altitude calculations . helps to hover the flight.
    • absolutely accurate p = 950 -- 1100 hPa.
  • NRF module
    • nrf module for communication upto 1km.
    • configured with SPI2.
• for programme the ,board include four pins ckl , io , pwr , gnd as in 1.27mm pins(SWD). use ST-LINK.
• power input
  • usbB mini for testing testing.
  • jst connector i/p from 12v to 27v .

schematics

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3D

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Tools

• kicad

• STM32cubeide

Reference

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stm32f411

MPU6050

BMP280

NRF24

future work

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• work with higher level cortex controller.(ex f7/f8)
• include SD card for collecting flight data.
• include FVP cameras. and configuring. collecting photos/videos.
• higher level nrf modules for rf communications.