[Twisted-Python] Gridspy - a new project using Twisted

[Tom Leys]

Hi Everyone

I would like to introduce my project for the 
http://twistedmatrix.com/trac/wiki/ProjectsUsingTwisted page. We use 
twisted as the central server that talks to many power measurement 
sensors in the field.

"
Gridspy provides you with an interactive view of resource usage in your 
building. It gives you hard data on your consumption patterns and helps 
you to make informed decisions.
...
The Gridspy allows you to access and monitor your consumption patterns 
in real-time using a standard web browser on your PC, laptop or mobile 
phone. The data is presented in high resolution and updated each second 
as you watch. The moment a light is turned on in your house, you can see 
the change on your Gridspy dashboard from across the room or across the 
planet.
"
Our homepage is here http://www.gridspy.co.nz/
a running demo is here http://your.gridspy.co.nz/powertech

And you can read more about the role of our twisted backend here: 
http://blog.gridspy.co.nz/2009/10/realtime-data-from-sensors-to-browsers.html

"
... The nexus then collects those sensor samples from the nearby 
Gridspies, bundles it up with its own data and uploads it to our central 
servers. To collect the data we use a custom application written using 
the excellent Twisted framework <http://twistedmatrix.com/>. Every 
single reading gets instant attention: it is evaluated for real-time 
events, queued to be stored in the database and finally forwarded to 
watching dashboard users. Processing the data stream live on the server 
opens up many exciting possible features that I look forward to 
discussing in future blog posts. By the time that the sample reaches the 
server, it is about 0.2 seconds old. ...
"

It has been a great framework to work with. My sincere thanks goes to 
everyone who has ever contributed to this project. Job very well done!

-Tom

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