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Throwing Up Numbers

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@robhruska

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Dashboards

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Nuggets

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They’re Awesome.

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Communal Dashboards

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Communal Dashboards With the growing interest in data analytics and visualizations, we're seeing more effort put into interesting visualizations that allow people to draw insight from data floating around in an organization. Most of these dashboards are aimed at individual usage, but there is a growing tendency to use them for a more communal purpose. “ martinfowler.com/bliki/CommunalDashboard.html ...creating an emotional engagement with how the business is running. “ ...a form information radiator. “

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Communal Dashboards martinfowler.com/bliki/CommunalDashboard.html Photo: Chris Kapcar (via Martin Fowler)

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This is less about helping people make decisions, more about educating people about what's happening, providing background information and context for their regular work. “ Communal Dashboards martinfowler.com/bliki/CommunalDashboard.html

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Today’s Menu ● Project structure ● Examples ● Hardware

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socket.io event handler / emitter socket.io client node.js browser message subscribe

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http://nodejs.org node.js

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Event loop ● Single-threaded message processor Non-blocking I/O ● Node does all the I/O outside the event loop

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http://nodejs.org node.js

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socket.io http://socket.io

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Client Server

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nugget https://github.com/hudl/nugget

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socket.io event handler / emitter Datasource External API subscribe: stat socket.io client stat node.js browser Display stat Display Datasource stat stat subscribe: stat

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nugget |_ client |_ server |_ user |_ datasources |_ displays |_ resources |_ server-config.json |_ datasources |_ datasource-name.js |_ ... |_ displays |_ display-name.css |_ display-name.js |_ display-name.html |_ ...

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current-time Example

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socket.io event handler / emitter system-time System Time subscribe: time socket.io client time node.js browser current-time time

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nugget |_ client |_ server |_ user |_ datasources |_ displays |_ resources |_ server-config.json |_ datasources |_ server-time.js |_ ... |_ displays |_ current-time.css |_ current-time.js |_ current-time.html |_ ...

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server/user/datasources/system-time.js

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server/user/displays/current-time.js

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server/user/displays/current-time.css server/user/displays/current-time.html

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current-time Demo

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current-users Example

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socket.io event handler / emitter current-users Chartbeat subscribe: current-users socket.io client current-users node.js browser current-users current-users Splunk

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server/user/displays/current-users.js

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current-users Demo

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github-commits Example

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server/user/displays/github-commits.js http://your-server/inbound/datasource-name

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github-commits Demo

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Control Panel

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Hardware

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Acer X1220H $380 Raspberry Pi $35

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Edimax EW-7811Un - $10 Rosewill RPM-MP0010 - $35 2.1A USB wall charger - $10 4-port powered USB hub - $15

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Shopping LIst $380 35 10 15 35 10 ~$500 10

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Automation ● Power on/off automatically ● Projector power

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Schematic: Alex Bain, http://alexba.in/

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Molten Lead

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Images: http://sparkfun.com IR LED 850nm $0.95 x 3 100g leaded solder $5.95 10k Ohm resistor $0.25 1" ProtoBoard (2) $2.50 30W soldering iron $9.95 12" M/F Jumper (10) $4.50 PN2222 Transistor (10) $1.95

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LIRC

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Make Your Own Awesome What’s important to you and your organization? ● Current users ● GitHub commits ● Items purchased ● Videos watched ● App downloads

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Fork it! https://github.com/hudl/nugget

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Resources ● @robhruska / robhruska@gmail.com ● http://github.com/hudl/nugget ● http://github.com/hudl/nugget-hudl ● http://elinux.org/RPi_VerifiedPeripherals ● http://nodejs.org/ ● http://socket.io/ ● http://alexba.in/blog/2013/01/06/setting-up-lirc-on-the-raspberrypi/

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Questions