Project Logs

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• [19-Feb-2023] Mount USB Adapters and SBCs on Acrylics Boards

  Addie Liu • 02/20/2023 at 02:43 • 0 comments

  Just simply drill the holes on some very old acrylics boards and mount those PCBs on. It's for protection and taking out easily.

• [11-Feb-2023] Mount 30 SBC together

  Addie Liu • 02/13/2023 at 13:36 • 0 comments

  Yeah! I find the last piece of my 30 SBC, mounted them together with hexagonal brass positioning column.
  ( M3 x 20mm column x 4mm screw )

  The 4mm screw is enough, but it's almost too short. 6mm would be better.

• [12-Jan-2023] Test async to send command as fast as possible

  Addie Liu • 01/12/2023 at 08:16 • 0 comments

  Test async to send command to cameras as fast as possible
  - Left-hand side is flask act like SBC receiving POST json data (localhost)
  - Right-hand side is async to sending command
  
  

  Referencing: Andrew Zhu - Send HTTP Requests As Fast As Possible in Python
  https://python.plainenglish.io/send-http-requests-as-fast-as-possible-in-python-304134d46604?gi=a6c8e8786491

• [12-Jan-2023] Server UI Frontend Test

  Addie Liu • 01/12/2023 at 03:52 • 0 comments

  Testing for Server UI Frontend (bootstrap, jquery, jquery.gridstrap)

  Backend python pending

• [11-Jan-2023] Prepare the deployment (Hardware)

  Addie Liu • 01/12/2023 at 01:47 • 0 comments

  Tidy up and check some hardware for the 30 cameras deployment:

  - Sony Cameras, more than 30, just in case

  - 29 SBC, orange pi zero2 (1gb) + 16gb micro SD + Ubuntu (oh.. there are 29 only, have to find the missing one...)

  - 8 x 4 port USB adapters + 30 USB Type C Cables (DIY USB cable is easy but 30...um, maybe next time)

  - Twelve 8v 5a power adapter for cameras (🤔where are the fake batteries)

  - Network, Router + Switch + Wireless AP + Infinity RJ45 & Cat5e

• [8-Jan-2023] Progress: ​Control one camera from my Mac

  Addie Liu • 01/09/2023 at 04:38 • 0 comments

  Progress: Control one camera from my Mac with following items, not yet deploy to the SBC yet:
  

  - Shutter speed (with fixed values, not yet get from the Camera API)
  - F Number (with fixed values, not yet get from the Camera API)
  - ISO (with fixed values, not yet get from the Camera API)
  - White Balance (with fixed values, not yet able to add in the UI)

  - Trigger Shutter Release
  - Trigger Half Shutter Button to lock everything
  - Zoom In and Out (not yet show the zoom value after zoom)
  - Set AF point by clicking on the LiveView screen
  - Rotate the LiveView as well as fix the coordinate of focus (in case when the camera is rigged vertically or upside down)
  
  https://github.com/liuaddie/vfx_cams/commit/fdf12d8d617b98a3c31306ee975335bea8b723cb
  
  Some issues and details are still pending to implement for the controller part. But I am trying to ignore them first, and do a quick deployment to all SBCs to get an overview. So the SBCs should be able to auto sync the scripts after I updated the scripts, otherwise I have to do it one by one. The first method in my mind would be
  - git pull
  - install requirement
  - run the controller script
  every time when the SBC is started.

• [01-Jan-2023] Sony NEX5T Camera Power Current Test

  Addie Liu • 01/05/2023 at 08:54 • 0 comments

  Happy New Year~

  Observe: 0.7A for peak
  Conclusion: 1A is enough
  Further: Use a 5A adapter to power 2-3 cameras

• [23-Dec-2022] Touch Focus Test

  Addie Liu • 01/05/2023 at 05:37 • 0 comments

  Use js/jquery got mouse click position on the liveview ➤  send position to python flask and pysony for sending command to the camera

• [20-Dec-2022] UI Draft of Control Panel

  Addie Liu • 01/05/2023 at 05:37 • 0 comments

  Use jquery.gridstrap to implement "dragging cameras" function, it's for earlier to preview live feeds when all cameras are connected.

• [19-Dec-2022] Begin Again

  Addie Liu • 01/05/2023 at 04:47 • 0 comments

  Move the git from private to public:
  https://github.com/liuaddie/vfx_cams

  ---

  Some old tests and prototypes:

  (Process) Automatic Photogrammetry with 12 Cams + DIY Motorized Turntable #realitycapture
  https://youtu.be/NS14tNXzuHQ

  ---

  (Result) Automatic Photogrammetry with 12 Cams + DIY Motorized Turntable #realitycapture
  https://youtu.be/sHqS5uZzXiM

  ---

  4 Sony Cameras trigger by Python
  https://youtu.be/OhsvxAv73Pg

  ---

  Test Remote Control NEX5R with Python + OpenCV
  https://youtu.be/TwHIBRGk2Mw

  ---

  Auto Servo Rotate and NEX5R Trigger Test
  https://youtu.be/OhsvxAv73Pg

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