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DIY Hovercraft firmware for stm32F405 board

Hovercraft firmware for mamba f405 mk2 based stm32 based flight controller Hovercraft image Hovercraft image

Channel Assignments(the project uses CRSF as RX protocol)

  • CH1 -> Alerion
  • CH2 -> Elevator
  • CH3 -> Throttle
  • CH4 -> Rudder
  • CH5 -> ARM
  • CH6 -> Pre-arm (if held down after arming will reverse throttle motor)
  • CH7 -> NONE
  • CH8 -> NONE
  • CH9 -> Beeper
  • CH10 -> Servo X (connected to SDA pin)
  • CH11 -> Servo Y (connected to SDA pin)

NOTE : for the above configuration to work you have to add a logic to your EDGE TX transmitter so as to disable 3D mode as by default your ESC needs to have 3d mode enabled and for 0 throttle elevator stick should be centered.

edge tx config screen edge tx config screen edge tx config screen mamba mk2 FC

comments

Beep working for cmd setting why telem needs to be set 1 i dont know reverse and normal direction working 3d mode working when used with esc configurator.com (have to flash betaflight for that) basic hovercraft working PRE ARM Added Basic Failsafe working on RX lost CRC algo not touching as betaflight also uses same only proper telemetry working

changes

Telemetry only sent just after when packet received

next steps

  • implement filter
  • receving algo , baud rate as f1000
  • implement msp for esc configurator.com

imp links

https://github.dev/betaflight/betaflight/betaflight/src/main/drivers/dshot_command.h https://github.dev/betaflight/betaflight/betaflight/src/main/drivers/dshot.h https://github.com/Carbon225/esp32-dshot/blob/master/DShotRMT.cpp https://github.com/crsf-wg/crsf/wiki/Physical-Layer -> default baud rate is 416666

3D files

You can find the fusion 360 f3d file in the 3d files folder The full design has been made by me and is copyrighted and is NOT to be used for commercial purposes Hovercraft 3d file

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