2024-10-30 Electrical Meeting

Attendance

General Updates

• Last flight test

  • 2024-10-12 Houston Geolocation Test - Flight Tests - WARG

  • Went a lot better than last time (we got geolocation data)

• Next flight test / team photo

  • Biggest flight test of this term! - great chance to see systems in action

  • Testing lots of things, see channel and conf doc for details

  • Saturday Nov 2nd

  • Pancakes @ Daniel’s 9AM - see gcal for address

  • breaking into Daniel's??

    • break into daniel’s house challenge (gone wrong)

  • Prep 10-11

  • Test 11-3

  • https://discord.com/channels/776618956638388305/1296522287985721408

  • 2024-11-02 Competition Flight Test - Flight Tests - WARG

  • What needs to be done?

    • Todays sesh?

    • Lighting board harnesses

    • ESC soldered peggy 1

      • to be done after this meeting

    • Tracking antenna ready for mobile testing (mounting, battery)

      • Coordinating with Hardy, power working

      • Power solution for IR beacons

      • plug into 3s battery - test

    • Will mention things that are needed in #electrical

• Team photo

  • Sat Nov 2nd @ 3PM after flight test - be here to be part of the photo!

• Midterm board order

  • Original date Nov 4th, Nolan is reassessing timeline - give feedback

  • Current boards (speak up if we are missing you)

    • 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 - Meghan

      Water Controller - Shawn - Daniel

      RPi interface rev C - Daniel

      Unified Video System - Tom

      Sensor Cluster - Michael -

      quadversity ELRS - Nolan

      straight can splitter - Daniel

      programming conn adapter - Meghan
      12S ESC - Andrew - Ethan not on midterm order

• EE Knowledge Session - Validation

  • Banger session from @Jerry Tian

  • Happened on Monday

  • Recording/notes posted in #electrical

• EE Knowledge Session - MOSFET Selection

  • Hosted by @Farris Matar

  • November 7th @6pm

• Comp/Eclipse sync

  • Due to Halloween, sync times have changed for this week only.

  • Comp Arch Sync Today at 8pm

  • No Eclipse sync this week

• Please clean up after yourself

• Consider using JLC parts in the future?

  • Look at preferred parts

  • Basic & Preferred Electronic Components | JLCPCB Assembly Parts Library

  • Can use LCSC but costs more so try to avoid

Reminders

• 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

• Competition Architecture Sync: weekly Thursday at 8 PM in E5 2103.

  • 2024-10-03 Competition Architecture Sync - Meetings - WARG (atlassian.net)

  • Last competition sync: 2024-09-26 Comp Arch Sync - Meetings - WARG (atlassian.net)

• Fixed Wing Architecture Sync is on every other Wednesday at 8 PM in E5 2103

  • tonight at 8pm!

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

• Toaster oven not acquired yet - if you would like to help let me know

  • check facebook marketplace there’s like 40 million Facebook

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

• Missing GPS

  • probably gonna order

    Open

    

Meeting Times

• Sticking with current meeting time

• Best times were Monday at 8 and Wednesday at 6

• One less person can make it on Wednesday but due to class timing, having you for 30 mins is better than someone missing the whole thing.

New Lead Selection

• Thanks to everyone who filled out the nomination form

• Your next lead will be… @Meghan Dang (congrats)

• Not effective immediately

Board bring up Status

Please update test plans/board documentation!

Peggy 2/Comp Updates

• @Jerry Tian For Peggy 2

• Analog Video System is working on the ground

• RPi interface to be installed

  • to be done on friday’s worksesh

• 4x LED boards to be installed

• 1x new ESC to be installed

  • to be done after meeting by @Meghan Dang unless someone else wants to do it

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

• The below boards should be included

  • 6S servo module rev 2

  • Single Servo Driver

  • 6S power module

  • CAN Integration 2025

Bootcamp Updates

• Keep sending questions to your respective threads!

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

  • Descoping to be single side

  • On track for midterm

• 12V -> 5V @ 4A Buck Converter + ELRS Board - Electrical - WARG (atlassian.net)

  • @Kenny Na Engineer

  • @Daniel Puratich PM

  • All done :)

• 24V->5V @ 5 A Buck Converter Board - Electrical - WARG (atlassian.net)

  • @Robert TangEngineer

  • @Kevin Li PM

  • Done :)

• Unified Video System - Electrical - WARG (atlassian.net)

  • @Tom Chiu Individual Contributor

  • Prob done by sunday

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

  • @Ethan Abraham Individual Contributor

  • Knowledge transfer done with @Andrew Chai

  • Currently working on layout and initial placement

  • Estimated completion of placement will be by Sunday

  • One more week of iterations and improvement + another week for routing and cleanup

  • -Not midterm order

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

  • @Nolan Haines Individual Contributor

  • Placement is complete, updated after review by @Farris Matar

  • Layout rev 1 is in progress

  • Aim is to have this ready for midterm board order, grinding this week.

• Sensor Cluster - Electrical - WARG (atlassian.net)

  • @Michael Botros

  • All components “grouped”, finishing up placement and will begin routing soon

  • Requested and waiting on 3D model for Lens+lens holder for LIDAR. will affect IR LED placement to ensure good lighting and no collisions

• 6S Servo Module Rev 2

  • @Meghan Dang Individual Contributor

  • @Ian Van Den Steen for buck design and layout

  • done for sunday night

  • awaiting input from mech ppl for connector placement but is probably fine

• Pegasus wiring documentation

  • @Ahmed Osman @Jerry Tian

  • Video system pending review

  • In future make schematic before work session

  • Deprioritized for comp stuff

  • Prob on hold rest of term

• (Rev 2) Tracking Antenna Controller Improvements (M3) - Electrical - WARG

  • @Ryan Scomazzon

  • Still addressing comments from rev 1

  • Waiting on buck

  • Will reach out to @Kenny Na if help is needed

  • done by sunday likely

• UCB-C Sink - Electrical - WARG (atlassian.net)

  • @Kenny Na

  • finished layout today

  • needs meme ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !

  • on schedule for midterm order

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

  • @Ryan Scomazzon

  • No time to do anything here

  • Lmk if you would like to do this

• ELRS Gemini Testing/Rev 2

  • @Ahmed Osman

  • testing on TX modules

  • all boards not functional

  • 3rd board doesn’t turn on

    • check for shorts and probe power rails

  • rev 2 in development/arching stage

• Water System Controller - Electrical - WARG

  • @Daniel Puratich PM

  • @Shawn Yang Engineering

  • will be done by sunday

• Straight CAN splitter

  • @Daniel Puratich

  • done - needs review (ping ppl)

• Programming Connector Adapter

  • @Meghan Dang

  • butoon

• LED Board Rev 4 - Electrical - WARG

  • @Parker Lawrence-Valeriani

  • Layout is complete and in review

  • Changes from previous rev

    • LEDs were changed to 1655 LEDs (Larger, brighter than the WS2812B-2020)

    • Minor bug fixes (fixed LDO pinout, fixed MCU pinout)

• Did I miss anything?

Potential new projects

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

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

Action Items

• get more soldering irons (2)

  • reach out to hakko

•