Date

Attendees




Goals

  • Get updates
  • Get comprehensive TODOs between now and JLC delievery

Discussion items

ItemWhoNotes
Board updates

Software

Aaron Chan Akhil Devarapalli Jonathan Russo Chloe Clark Brooke Leinberger Nate Aquino Quinn Leydon @Sebastian Martinez @Brian Tokumoto @Crispen Wendell @Torin Samples

Updates:
  • Sensor drivers written
  • Onboarding


TODO:

  • Onboard new people Aaron Chan
  • Test SHTC3 - Nate Aquino  @Jordan Mesches 
  • SHTC3 Sensor Module Task - 
  • Test  ADXL375 - Akhil Devarapalli @Torin Samples  
  • ADXL375 Sensor Module Task 
  • Test BMP390 Aaron Chan 
  • BMP390 Sensor Module Task - Aaron Chan 
  • Test MS56701
  • MS56701 Sensor Module Task
  • Test L3GD20H 
  • L3GD20H Sensor Module Task
  • Test LIS3MDL - Quinn Leydon
  • LIS3MDL Sensor Module Task
  • Test LSM6DSL 
  • LSM6DSL Sensor Module Task
  • Test W25Q - Aaron Chan Brooke Leinberger 
  • Test TMP117 - @Sebastian Martinez @Brian Tokumoto  @Crispen Wendell
  • TMP117 Task 
  • W25Q Module Tasks 
    • Sensor
    • Power
    • Radio
    • Autopilot
  • Test W5500 
  • W5500 Module Tasks
    • Sensor
    • Power
    • Radio
    • Autopilot
  • Write RFM95W Drivers - Jonathan Russo 
  • Write MAX10 GPS Drivers - Jonathan Russo 
  • Finish ICMP - Chloe Clark 
  • Train people to use Ground Station - Aaron Chan 
Radio Module

Dante Sivo Jonathan Russo 

Updates:

  • Added ESD to connectors
  • Added UART jumpers to GPS and a debug bus 
  • Schematic updates "beautified" 
  • Board Ready for review

To-Do:

Power Module

Updates:

  • Design voltage/current sense
  • Select passives for most ICs
  • Schematic is 60% complete


To-Do:

Power Module - Backplane<--checklist

Sensor Module

Louis Fleisher 

Mary Dertinger 


Updates:

  • Started reviewing some schematics with JIM
  • Continuing work on schematics

TODOs: 

  • Updated Block Diagram 
  • All Breakouts Ordered
  • Schematics Created 
    • MS5607 
    • BMP390
    • ADXL375
    • LSM6DSL
    • LIS3MDL
    • TMP117
    • SHTC3
    • W25Q128JVSIQ
    • Status LEDs
    • W5500 + Connector + LC Filter
    • STM32
    • Higher Level Sensor Schematic 
    • Full Board Schematic
  • Schematics Reviewed
    • MS5607 
    • BMP390
    • ADXL375
    • LSM6DSL
    • LIS3MDL
    • TMP117
    • SHTC3
    • W25Q128JVSIQ
    • Status LEDs
    • W5500 + Connector + LC Filter
    • STM32
    • Higher Level Sensor Schematic 
    • Full Board Schematic
  • Get I^2C Addresses for Sensors 
  • Board Layout Completed
  • Board Layout Reviewed
Autopilot Module

Ben Hyman 

Updates:

  • Changed from Wago terminals to standard screw terminals for charge lines
  • Reduced from 4 to 2 charge lines
  • Did basic layout of charge lines
  • Fixed address lines to go to inputs on Vocore
  • Schematic is 90% complete
  • Posted GPIO default state question to Vocore forum

TODOs:

  • Schematic
    • Finish rest of backplane connector (GPIOs and LEDs)
    • Clean up schematic
    • Run ERC and make sure there are no design breaking errors
  • Layout
    • Placement of all components (really just one more charge line which is copying the one i've already done)
    • Route all signal traces
    • Route power traces/pours
    • Run DRC and make sure there are no design breaking errors

Connector spec


Idea 1: "Horned connectors" going sideways

  • Positively locking
  • Board-edge would look very neat
  • Board-edge would take up too much space - we have  130mm width, 60mm per board is not enough margin

Idea 2: Back to proper backplane

  • Vertical connectors on modules pass through slots in the sled, connect to the backplane
  • Sandwich the plastic sled by the PCBs
  • Screwing everything to a common sled is positively locking
  • Less wires means less integration hassle
    • Maintain ability to use cables
  • Need to specify connector offset on each module
  • Radio module needs to send SMA connectors through the  sled or out the short edge
  • Need to carefully solder connectors so they're not canted
    • Use a fixture?

Action items