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Thread: HVAC help with Fusion Brian

  1. #1
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    HVAC help with Fusion Brian

    Hi I was looking at another board here for the sole purpose of HVAC control it had software etc but the guy seems to have disappeared.

    So I stumbled upon the Fusionbrain, I currently have a CarPC the Infill T3 running the latest Streetdeck V2.

    The problem I face is the Infill T3 retractable screen covers up my Climate controls in my Subaru Legacy when it is on. So I would like to get the Fusionbrain and integrate my climate controls with it on the CarPC so I can still use them.

    I am however confused as to what to get. My 1999 Legacy has the following climate controls, this is a pic before I installed the Infill T3 CarPC


    Do I need anything further than just the FusionBrain? I have opened up the radio area of the dash a few times, and the climate control connectors are easy to reach, however how would I know what wire does what?

    And also once hooked up to the Fusionbrain am I still able to use the manual controls on the panel?

  2. #2
    Fusion Brain Creator 2k1Toaster's Avatar
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    Quote Originally Posted by jabz View Post
    Do I need anything further than just the FusionBrain? I have opened up the radio area of the dash a few times, and the climate control connectors are easy to reach, however how would I know what wire does what?
    To figure out what wire does what, you need to find a wiring guide for your car. Depending on how they set it up, you will need various other things. You will need relays at a minimum. Every car is different, there is no DIY guide.

    Quote Originally Posted by jabz View Post
    And also once hooked up to the Fusionbrain am I still able to use the manual controls on the panel?
    All depends on how you wire it.
    Fusion Brain Version 6 Released!
    1.9in x 2.9in -- 47mm x 73mm
    30 Digital Outputs -- Directly drive a relay
    15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
    Buy now in the MP3Car.com Store

  3. #3
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    Thanks, Also would I need to do any programming, i.e. create a program? I don't know how to program and would rather not. The board that I linked to in original post comes ready to go with software i think, I would like something similar.

  4. #4
    Variable Bitrate csfile's Avatar
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    you will have to create your own program and graphical interface

  5. #5
    Fusion Brain Creator 2k1Toaster's Avatar
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    Quote Originally Posted by csfile View Post
    you will have to create your own program and graphical interface
    Not true

    We provide the software free of charge. You will need to do some configuration since it is a custom setup. But the backbone is all done. We also supply generic images to use in a graphic interface. If you want something unique or something that blends in with your frontend skin or something, then you will need to create those graphics.
    Fusion Brain Version 6 Released!
    1.9in x 2.9in -- 47mm x 73mm
    30 Digital Outputs -- Directly drive a relay
    15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
    Buy now in the MP3Car.com Store

  6. #6
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    I'm not sure of the capabilities of the Fusion Brain to control HVAC. That is why there is a dedicated controller board out there. To get down to temperature and maintain it really requires more than just turning on and off the air con based on a temp sensor. This requires an Integrative approach so that the temperature is converged on by making big steps if a long way a way and then smaller steps as you get closer to the target temperature. Controllers that do this are called PID's. See here:

    http://en.wikipedia.org/wiki/PID_controller

    So does the FusionBrain do PID control?

    Here is a discussion of a DIY PID approach
    http://www.arduino.cc/cgi-bin/yabb2/...m=1226431507/0
    RodW
    2007 Toyota Hilux with a CarPC..

    Worklog: http://www.mp3car.com/vbulletin/work...ota-hilux.html
    OziExplorer GPS Embedded in RR: http://www.mp3car.com/vbulletin/sb-s...iexplorer.html

  7. #7
    Fusion Brain Creator 2k1Toaster's Avatar
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    Quote Originally Posted by rodweb View Post
    I'm not sure of the capabilities of the Fusion Brain to control HVAC. That is why there is a dedicated controller board out there. To get down to temperature and maintain it really requires more than just turning on and off the air con based on a temp sensor. This requires an Integrative approach so that the temperature is converged on by making big steps if a long way a way and then smaller steps as you get closer to the target temperature. Controllers that do this are called PID's. See here:

    http://en.wikipedia.org/wiki/PID_controller

    So does the FusionBrain do PID control?

    Here is a discussion of a DIY PID approach
    http://www.arduino.cc/cgi-bin/yabb2/...m=1226431507/0
    The software handles all the logic. Anything is possible with the Fusion Brain.
    Fusion Brain Version 6 Released!
    1.9in x 2.9in -- 47mm x 73mm
    30 Digital Outputs -- Directly drive a relay
    15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
    Buy now in the MP3Car.com Store

  8. #8
    Variable Bitrate csfile's Avatar
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    Quote Originally Posted by 2k1Toaster View Post
    Not true

    We provide the software free of charge. You will need to do some configuration since it is a custom setup. But the backbone is all done. We also supply generic images to use in a graphic interface. If you want something unique or something that blends in with your frontend skin or something, then you will need to create those graphics.
    Yes, there is free software (which I must say is pretty good) and it has generic images for a graphical interface. But won't you have to create all the logic? Although I don't think it's very hard after looking at a few examples. And there's plenty of support on these forums.

  9. #9
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    Yes, you have to create the steps (logic) but it isn't that difficult. The biggest challenge will probably be in creating the interface (hardware) between the Fusion Brain and your AC unit.
    Thanks,

    Dan

  10. #10
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    Quote Originally Posted by jabz View Post
    Hi I was looking at another board here for the sole purpose of HVAC control it had software etc but the guy seems to have disappeared.

    So I stumbled upon the Fusionbrain, I currently have a CarPC the Infill T3 running the latest Streetdeck V2.

    The problem I face is the Infill T3 retractable screen covers up my Climate controls in my Subaru Legacy when it is on. So I would like to get the Fusionbrain and integrate my climate controls with it on the CarPC so I can still use them.

    I am however confused as to what to get. My 1999 Legacy has the following climate controls, this is a pic before I installed the Infill T3 CarPC


    Do I need anything further than just the FusionBrain? I have opened up the radio area of the dash a few times, and the climate control connectors are easy to reach, however how would I know what wire does what?

    And also once hooked up to the Fusionbrain am I still able to use the manual controls on the panel?
    too bad that dude disappeared that looked promising.

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