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What is Project Haystack?

Project Haystack is an open source initiative to streamline working with data from the Internet of Things. We standardize semantic data models and web services with the goal of making it easier to unlock value from the vast quantity of data being generated by the smart devices that permeate our homes, buildings, factories, and cities. Applications include automation, control, energy, HVAC, lighting, and other environmental systems.

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WGs are addressing additional equipment systems and applications for the built environment.



Are you new to Project Haystack?
Start here with our primer Introduction to Project Haystack.



Dig a little deeper into a reference implementation "Applying Haystack Tagging to a Sample Building".

Tech Blog

Important updates for the Project Haystack community.

Recent Articles

Recently published articles by the Project Haystack community for the Project Haystack community!

Connections Magazine

Fall 2019


A Property Manager's View

"Data Tagging at Ford" by Tim Scott of Ford Land, a division of Ford Motor Company.


Introduction to Haystack 4

Update by Brian Frank on the new version of Haystack.


An Analyst's View

"Project Haystack Turns Data into Useful Information for Smart Cities" by Larry O'Brien of the ARC Advisory Group.


Working Groups Updates

Learn what Working Groups are active and what has been completed.

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