Time Lapse

Taking time lapse pictures with a Raspberry Pi Zero 2 W

• Process:
  • Starting the process:
    • If no delay interval has been set, ask the user to choose.
    • Overwrite the index.html from the Apache installation with our index.html.
    • Copy the initial animated GIF to the Apache installation.
      • The GIF holds the parameters for frame rate of the animation.
    • Run the process in the background.
  • The running process:
    • Read the DELAY value and sleep for that duration.
    • Take a snapshot.
      • Capture a JPG from the camera.
      • Convert the JPG to GIF.
      • Append the new single frame GIF to the animated GIF.
    • Log debug (by default commented out) and errors.
  • Stopping the process:
    • Exit the background process.

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• Scripts:
  • start.sh
    • Start the time lapse picture cycle.
  • stop.sh
    • End the time lapse picture cycle.
  • lapse.sh
    • The time lapse loop running in the background.
  • snap.sh
    • Take a single picture.

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• Files:
  • index.html
    • Place this file in /var/www/html/.
  • DELAY
    • Storage for your frame rate choice.

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• Installs:
  • Install Apache, gifsicle, git, and imagemagick.
    • sudo apt install apache2
    • sudo apt install gifsicle
    • sudo apt install git
    • sudo apt install imagemagick