Dynamic bar graph

This nifty little setup shows a bar graph of.... well I'm not really sure but it takes the information in real-time and adjusts the height of the bars as it goes along.

from the website

This action sequence generates a demo dataset and renders the chart based on that data. At the Google I/O 2009 Sandbox, Pentaho demonstrated integrating an Inline ETL process with access to a Google Docs Spreadsheet.

... whatever that means.

Nonethe less it looks cool and would make for a great school project.



It uses the LeJOS firmware and 2 NXT (presumably to allow for the 5 independent bars)

via Make Magazine blog

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Damien Kee