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Meeting overview

Meeting to discuss state of groundstation Command & Control Equipment:

  • Tracking antenna

  • ELRS Gemini

  • Groundstation Software

  • Airside software

Table of Contents

🫂 Attendance


  • Nathan

  • Conall

  • Arjun

  • megan

  • Myself

  • Yuchen

  • Daniel

  • Matthew

  • Michael

  • Mihir

  • Xierumeng

  • Anni

  • Farris

🗒️ The Weekly Recap


✈️ Flight Tests:

  • Vanny SUCCESSFULLY completed auto-tune

  • Noticed thrust loss on Motor 3 after Battery Failsafe → Investigation ongoing.

    • This is (not) expected behaviour.

  • CV Landing pad detection works.

  • GPS not tested.

📦 New arrivals

📈 Cool things we did

  • ELRS Airport working (very slow though)

✅ Open action items


📝 Meeting minutes


Tracking Antenna 🗼

Tracking Antenna Tower

Status
colourGreen
titleMechanical

< insert tracking antenna tower updates here >Yaw only looking good.

Image Added
  • Will look @ 3s

  • Going to add some angle on yaw only

    • on pitch version, going to add default is level and ability to pitch up and down.

  • Building the antenna starting this week.

  • Using the tripod.

  • No counterbalance for the yagis (fine for yaw only).

  • HS 785 HQ, 8 rotation servo

    • gearbox is 1:7

    • will need calibration for this later (in software)

Tracking Antenna Nucleo Shield

Status
colourYellow
titleELECTRICAL

Integration almost complete. BMX tested, NEOM8 not tested.

PID not started….

Tracking Antenna Software

Status
colourRed
titleEmbedded Flight Software

  • integration code finished

  • have a blocker: not finding neo m8 but solved today

  • will warp up the integration test

  • continue on pid motor code

  • WILL WRITE UNIT TESTS

ELRS 📶

Gemini 📻

Status
colourYellow
titleELECTRICAL
< updates here >

  • Slightly behind schedule

  • Electrical schematic in its last stages

    • missing some connector clarifications

      • Planning to ask in ELRS discord

    • Research new component to replace PCB antennas

    • Will require a schematic review

      • Potentially other EE members or leads

      • Also planning to review in ELRS discord

  • PCB design phase hoping to start this week

  • Will ideally be able to give some dimensions and sync with mechanical soon for JR module mechanical design

  • Gemini communicates over UART.

  • Antennas for ESP are mostly meant to flash firmware over wifi / OTA updates

  • Going to do RS422 now, looking for Wireless in the future.

    • if doing wireless - it can be UART.

      • Gemini communication needs BOOT0 connection (to update over wifi).

        • may need to use push-button // jumper

      • Normal communication just uses UART.

Airport 🛫

Status
colourRed
titleEMBEDDED FLIGHT SOFTWARE

< updates here >

  • Hardy looking to create wireless function for RS422, will contact Farris to get more info.

Ground Station Software

Status
colourPurple
titleAUTONOMY
< updates here >

  • Data Telemetry working & tested.

  • Working on GUI.

IMACS

  • working on testing stuff through TCP.

  • Once serial port working, and GUI done, need to test on drone // ardupilot.

    • Minipix possible?

QR Code detection

  • Focus rn

MAVLink commands

  • Focus rn

Airside Command & Control

LTE Communication 📡

Status
colourBlue
titleintegration

< probably not much to update but updates here if there are any >

Jetson Autonomy 📷

Status
colourPurple
titleAutonomy

QR Code detection

  • Updates here

GeoLocation

  • Updates here

MAVLink commands

  • updates hereAll tasks given out, architecture created and finalized.

  • all independent tasks completed by saturday.

  • week after is integration

  • flight test on saturday post next (22nd).

GeoLocation

  • Needs to be refactored.

  • Merge-odometry-and-detections module

Dronekit on Jetson

  • Dronekit on jetson PR just reviewed.

    • trying to keep in common repository (ground and airside). Reduces boilerplate.

Control Passthrough 🎛️

Status
colourRed
titleEmbedded Flight Software

MAVLink

  • Updates here

SBUS

  • Updates here

CRSF?

  • Updates here