2024-11-20 Electrical Meeting

Attendance

General Updates

• Last flight test

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

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

  • Outcomes

    • got a lot of geolocation and flight logs

    • got a lot of images from the drone

      • not great quality

• Next Flight Test - Nov 23rd

  • https://discord.com/channels/776618956638388305/1306366375606091817

  • 2024-11-23 Pegasus Flight Test

  • Goals

    • Test tracking antenna pitch & yaw with houston

    • Test autonomy systems

      • cluster estimation

      • image collection

    • Pilot training for peggy 2

    • Pilot training moved to 30th flight test

• Final Flight Test of the term - Dec 14th

  • water controller

    • we need this assembled and validated by then!

  • PULL UP!!

• NEW PCB SPONSOR ?????

  • PCBX

  • Covering PCB & PCBA

  • Ryan looking into logistics

  • reached out to warg for free PCBs and PCBAs (WARG is big time)

  • Tryna see what they are willing to cover

• Midterm board order

  • 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

    • boards that still need them

      • Sensor Cluster

      • LED controller rev 4

    • Please follow this guide to complete your orderDigikey Orders

    • Make thread in #ops-purchase-request so there is a thread to chat about it

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

• EE Work session

  • Todays (Wed Nov 20th)

    • creating harnessing and wiring RPi on Peggy 2

  • Friday’s (Nov 22th)

    • if boards come in (likely will), some assembly

      • water controller

      • programming header

    • Open to suggestion, if not, probably don’t need this work sesh

      • 12s Servo Debugging - bad soldering potentially

• EE Social

  • was really fun! ty everyone for coming out

  • If you wanna help with costs, you can ET ryanscomazzon@gmail.com

    • You're not expected to pay but can if you want

    • For reference the soup was for ~$52 total for ingredients, you can give whatever you think is fair

    • Beer is on me, don’t bother about paying for that

    • I do not have auto deposit on and will decline if you try to be too generous 😈

• Team Social with WATO and Rocketry

  • This Friday!!!!

  • Gingerbread house competition, will be super hype

  • will have some board games too

  • i (meghan) might bring cookies…

• We ordered MERCH!

  • Open

    

  • Jackets next term!

• Comp/Eclipse sync

  • Eclipse sync tonight @ 8pm in E5-2103

  • Comp sync tmrw night (Thursday) @ 8pm in E5-2103

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

  • RIP - Gone forever likely

  • probably gonna order

    Open

    

Board bring up Status

Please update test plans/board documentation!

• Board Bringup Priority List:

  1. Water Controller Rev 1 - this term

  2. LED controller rev 4 - this term

  3. Tracking Antenna Rev 2

  4. 6S Servo module rev 2

  5. Unified VTX

  6. Water Controller Rev 2

  7. Sensor Cluster

  8. Programming Connector Adapter - this term

     1. assemble w/ water controller bc both small boards

Peggy 2/Comp Updates

• @Jerry Tian For Peggy 2

• Installed Rpi harness, updated harness schematic

  • handed over to autonomy for ground testing

  • hardware/Harness/Pegasus 2 at master · UWARG/hardware

  • next steps:

    • install water controller board

    • single servo driver (uses VBAT)

      • More details to be discussed at comp sync

      • Scoop Water Tank and Collection Design

    • video system

• Next boards to mount in order (after board bringup):

  • water controller

  • single servo modulehttps://app.asana.com/0/1208217874711985/1208772397154845/f

    • @Daniel Puratich what does the servo power?

  • video system

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

    • High current test

    • 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 @Kenny Na

  • End of term target

  • halfway through routing

  • on track - end of term

  • SIM card holder out of stock - find alternatives (Jerry goated)

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

  • @Ethan Abraham& @Andrew Chai

  • POR for FETs has been decided - keep with current FETs and add a heatsink to cool them

  • Placement is basically done, this week will move to routing after Ethan’s review

  • End of term plan

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

  • @Nolan Haines Individual Contributor

  •  

• 12S Pre-Charge Controller Module

  • @Robert Tang , @Kevin Li

  • in schem stage

  • implementing RPP

  • starting prelim placement for board size

• https://uwarg-docs.atlassian.net/wiki/spaces/EL/pages/2835709953

  • @Kenny Na, PM @Daniel Puratich

  • Component selection stage

  • Stalled in order to complete RPi Interface Rev. C first

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

  • @Ryan Scomazzon

  • No progress - feel free to help out

  • Ryan saw a cool one at work

• Fixed wing copper bird ? @Ryan Scomazzon

  • Reach out if you wanna PM eclipse next term and are onsite

• ELRS Gemini Testing/Rev 2

  • @Ahmed Osman

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

• @Ian Van Den Steen

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

• @Tim Gu

water controller rev 2

• @Shawn Yang add link for new doc and any progress

https://uwarg-docs.atlassian.net/wiki/spaces/EL/pages/2843967490

• completed component selection of both the shunt resistor for current sense as well as LDO IC selection.

• plans to have such done soon in the coming days

Action Items

• Try to get submarine game at social - was ryan chans

• Throw et in discord?

• Make channel for new boards

• Reach out to shawn about water controller