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  • Author Author: jamesod
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Vertical Hydroponics - Blog 14: Web Interface Part 2

jamesod

Tonight I completed the last portion of this project that I will be able to get done before the submission deadline. I wrote a c++ program running on the BeagleBone Black that processes and saves the serial data from the Gateway to a text file. The text file is read with a JavaScript program that serves up the SCADA webpage. A socket connection updates the state of the system in near real-time. Right now this is mostly working, but it will need further debugging. This is the first part of my Web based SCADA platform that I plan to implement fully for not just this project, but many more to come.

 

For now, I am only able to read live data. For future improvements, I plan on creating a total solution that will allow changing outputs, modifying control variables, and graphing data. This will all be implemented soon.

 

I have attached my c++ and JavaScript code for the BeagleBone Black. I have also modified my Arduino code some more and attached it. As with all of the code I have presented with this project, it is far from complete or optimized, but it does work. Here's is a screen shot of my system status tonight:

image

 

I hope to add much more in the future, but for now, I have a system that can be controlled by sending serial commands from my BBB command line, and a live graphical status display of the system. I am very happy with the progress I have made during this challenge. I know I would not have pushed myself this hard without the motivation I have gained through weekly blog posts and inspiration from other competitors. I will try to post again tomorrow to summarize the project and wrap things up if I have time before the deadline. Any feedback, suggestions, and questions would be appreciated.

 

Thanks!

Attachments:
FinalCodePack.zip
  • in reply to DAB

    Thanks DAB.

    I will definitely post some more updates here. I am looking forward to taking my time and improving the weak points in the system instead of just throwing everything together as quickly as possible to get things done for the contest. I'm really interested in seeing how cost effectively I can grow produce to see if this could potentially be a commercially viable system. I think with further improvements it is possible, but it will take many grows to find out.

  • I hope we see more updates in the future.

     

    There are so many interesting parts to your system and I know I would like to see how they perform over time.

     

    DAB