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Caf8teen is a software package that runs a LED lighting installation in Cafe 18 at Facebook's Menlo Park headquarters. Using the Processing framework, it drives algorithmic patterns across a grid of independently addressable LED nodes.


  • Install Processing, available at
  • Unzip external/ and install into the folder ~/Documents/Processing/libraries/HeronLX (or just run
  • Open Caf8teen/Caf8teen.pde in Processing

You may need to restart Processing after an update to refresh the source and libraries.

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