Meeting Notes - Avionics - 2022-09-07

Altium License Renewal

@Ben Hyman (RIT Student) 

Will be reaching out this week about it

Components Selection Training

@Jim Heaney (RIT Student) 

Running training after next general?

Backplane

• Radio

• Power

• Backplane

• Sensor

• Autopilot 

@backplane owners

• @Dante Sivo (RIT Student) 

• @James May (RIT Student) 

• @Billy Siegener (RIT Student) (Deactivated) 

• @Louis Fleisher (RIT Student) @Mary Dertinger (RIT Student) 

• @Ben Hyman (RIT Student) 

• Radio

  • Basic block diagram needs to be checked

  • APRS? 

• Power

  • Block diagram finished needs to be checked

    • Add 7.4V to backplane

    • Add Wiznet chip

    • Add umbilical

    • might switch to two buck/LDO pairs based on current/voltage of other modules

    • Add 2nd battery input w/ some sort of switching capability

    • Add test port (SWD over JTAG connector)

    • Add status LEDs

  • need max current and off which voltage rails from other mods

  • Switcher w/ integrated inductors justification:

    • Lower EMI (usually meet some standard)

    • Simplifies component selection/design (1 IC vs 1 IC & a bunch of passives)

    • Relatively small cost add compared to design simplification

    • No/little to no need to add shielding to module

• Backplane

  • Block diagram is finished needs to be checked

  • Might not need magnetics cuz if having all the mods sharing ground it doesn't do anything. But no reason not to have them if have the space?

• Sensor

  •  Block diagram finished needs to be checked

• Autopilot

  • finish block diagram

    • currently need beefy micro controller

      • STMF4 at least cuz f0 is not powerful enough for good state estimation

• Other

  • Arming will be easy access somewhere on rocket tbd later

  • not micro sd for storage 

  • Whoever picks a micro controller first selects it 

    • STM32 is preferred - makes software easier