2024-11-13 Electrical Meeting

Attendance

General Updates

• Last flight test

  • Canceled from rain

  • Rescheduled to this saturday - Nov 16th

• This weeks flight test

  • Original (canceled) flight test thread https://discord.com/channels/776618956638388305/1302702638466465872

  • This weeks: https://discord.com/channels/776618956638388305/1305207222711877632

  • 2024-11-16 Houston Flight Test - Flight Tests - WARG

  • Goals:

    • Test new camera, geolocation

    • Acquire image data for autonomy

    • Test tracking antenna (which didn’t work in the previous flight test attempt)

    • Potentially object detection testing

• Midterm board order

  • WENT OUT WOOOHOOOOO 🎉🎉🎉🎉🎉🎉🎉GOOD WORK EVERYONE

  • Bit of a hold up with one board but we chillin

  • REMAINING ACTION ITEMS

    • Please follow post ordering backup processAltium Folder Structure & EE Project Backups | Post Ordering

    • Please prepare a Digikey list with all components needed still and put in Midterm PCB order channel https://discord.com/channels/776618956638388305/1294169338508611646

      • everyone should come to friday’s worksesh to work on this together

      • Please follow this guide to complete your orderDigikey Orders

    • If you need stuff from Digikey, now is the time to speak up so we can throw it on this order

      • @Ria Prakash GPS?

  • Feedback on the process?

    • be more clear with deadlines and due dates

    • more frequent check-ins on boards that are part of the order

  • Current boards

    • Tracking antenna rev 2 - Ryan

    • 12->5V @ 4A buck - Kenny - Daniel

    • USB-C Sink - Kenny - Daniel

    • 24V->5V @ 5A buck - Robert - Kevin

    • 6S servo module rev 2 - Ian - Meghan

    • Water Controller - Shawn - Daniel

    • Unified Video System - Tom

    • Sensor Cluster - Michael -

    • straight can splitter - Daniel

    • programming conn adapter - Meghan

    • Led controller rev 4

• EE Workseshes - PMS Fill in

  • Todays (Wed Nov 13th)

    • creating harnessing and wiring RPi on Peggy 2

  • Friday’s (Nov 15th)

    • high current module stuff ?

    • digikey ordering - grind this out

• Farris and Kevin's knowledge sessions.

  • Farris posted a video and Kevin did/will do slides. Find these in #Electrical

  • Farris did it on FETs and Kevin on Bucks

• EE Social - @Meghan Dang for details

  • Rat soup and games - Meghan's place - Friday @ 7pm

  • not real rats (maybe)

  • everyone meetup @ work sesh on friday! moved from 5-7pm to line up with social

• Comp/Eclipse sync

  • No eclipse sync.

  • Comp sync tmrw night (Thursday) @ 8pm

• Request from Mech - Don’t use gorilla tape on the drone. Use zip ties instead.

Reminders

• Please clean up after yourself

• Get the electronsite role if on site - reach out to @Ryan Scomazzon if you have issues

• Check out Conops for AEAC! Get involved in comp syncs for discussion National Annual UAS Student Competition - Aerial Evolution Association of Canada

• If you are on a project and can use some help, reach out

• Don’t forget to fill out the team roster: Microsoft Forms

• Missing GPS

  • probably gonna order

    Open

    

Board bring up Status

Please update test plans/board documentation!

Peggy 2/Comp Updates

• @Jerry Tian For Peggy 2

• Did not make progress

• Tracking antenna, water controller on order

• Single servo on firmware

• This week working on pi harness

  • Giving out to pi rev c people

• make harness schem on tinycad

Eclipse Updates - Fixed Wing 2025 - SysInt - WARG (atlassian.net)

• The below boards should be included

  • 6S servo module rev 2 - On midterm order - assembly likely next term

  • Single Servo Driver - waiting on EFS

  • 6S power module - in validation @Andrew Chai for details

    • POR for first flight of eclipse next term.

  • CAN Integration 2025

General Tasks

In order of priority. These are the active design projects.

• RPi Interface Rev C - Electrical - WARG (atlassian.net)

  • @Daniel Puratich Project Manager, Principle Hardware Engineer

  • @Siddharth Muralikrishnan @Anthony Lazar @Anthony Luo @Shawn Yang

  • Update: Handing off layout to @Kenny Na !! Goal is done end of term

  • End of term target

• 12S ESC - Electrical - WARG (atlassian.net)

  • @Ethan Abraham Individual Contributor

  • Knowledge transfer done with @Andrew Chai

  • Did initial placement for MCU + Power + Gate Driver

  • Will need to put more thought into FETs - most likely will require some cooling system since most FETs on Digikey within a reasonable price will not be able to handle the operation conditions at ambient temp

  • Will consult with Kevin and Ethan regarding further steps and some feedback on initial placement

  • End of term target

• ELRS Redundant Diversity RX - Electrical - WARG (atlassian.net)

  • @Nolan Haines Individual Contributor

  • layout is like 95% done, doing silkscreen and the final touches

• Fixed wing connector research (VBat, CAN, 5V)

  • @Ryan Scomazzon

  • No progress - feel free to help ouy

• ELRS Gemini Testing/Rev 2

  • @Ahmed Osman

12V Input to 65W USB-PD Source - Electrical - WARG

• @Ian Van Den Steen interested

• good to start soon

12V to 24V Boost Groundside Converter - Electrical - WARG

• @Tim Gu interested

• look into application notes from TI for buck/boost PCB design

Action Items

• changing friday’s work sesh to 5-7pm

• announcement for social

  • where to meet

  • when it is

  • what we’re doing

• potential beginning of term order for next term → gauge readiness and amount of boards