Page 2 of 3 FirstFirst 123 LastLast
Results 11 to 20 of 23

Thread: ease of use?

  1. #11
    Fusion Brain Creator
    Join Date
    Mar 2005
    Posts
    2,221
    Quote Originally Posted by scott_fx View Post
    ok... so here is what i'll be controlling:


    what would my parts list be?
    would i need relay for each button?
    from this post:
    *NEW* USB Input/Output Board -- Fusion Brain

    it seems that i wont need the relays because the board will be mounted near the a/c controls


    edit: damn it i didnt even read the product description.... 12 on/off outputs... so i should be set

    the part that confuses me is what i'll need for the rotary encoders, i understood about the 4 wires and what not. but i'm not sure if that is digital or not and since i have two rotary encoders...do i need to purchase two boards?
    Well, perhaps.

    The on/off outputs are constant 12 volts, switched ground. So, if those switches don't switch 5 volts, or if they are switched positive, you need relays.

    Also, those rotary knobs could be variable resistors or could be rotary encoders. If they are variable resistors, that's great, you can use a digital potentiometer. If they are rotary encoders, that's a lot more complicated to simulate.

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

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

  2. #12
    MySQL Error scott_fx's Avatar
    Join Date
    Dec 2004
    Location
    Los Angeles Ca
    Posts
    3,998
    instead of relays could i use resistors to step down the voltage from 12 to 5v?

    I'll have to wait till i get my car back before i can take it apart to see what is behind the knobs. If worst comes to worst i can just extend the rotary encoders (if that's what they are) and the vfd display off the board and mount them in my dash while using the pc to replace the buttons.
    New System in progress:
    M10k
    Phaze TD1500 ~> Dynaudio MD130
    Phaze TD1500 ~> Seas g18rnx/p
    Zapco Ref 500.1 ~ 12" tc-9
    Behringer DCX2496 ~ Envision Electronics psu
    Transflective Xenarc

    My Car Pc Install
    My Boat Pc worklog

  3. #13
    Fusion Brain Creator
    Join Date
    Mar 2005
    Posts
    2,221
    Quote Originally Posted by scott_fx View Post
    instead of relays could i use resistors to step down the voltage from 12 to 5v?

    I'll have to wait till i get my car back before i can take it apart to see what is behind the knobs. If worst comes to worst i can just extend the rotary encoders (if that's what they are) and the vfd display off the board and mount them in my dash while using the pc to replace the buttons.
    You can, yes, but you have to have a pretty good idea of what you're doing, and you'd have to understand what those buttons are doing, also. I can't really tell you how to hook it up without having it in from of me to test and understand how it works. I can say without a doubt that disconnecting the switches and connecting the relays will work.

  4. #14
    MySQL Error scott_fx's Avatar
    Join Date
    Dec 2004
    Location
    Los Angeles Ca
    Posts
    3,998
    relays it is then :-)
    New System in progress:
    M10k
    Phaze TD1500 ~> Dynaudio MD130
    Phaze TD1500 ~> Seas g18rnx/p
    Zapco Ref 500.1 ~ 12" tc-9
    Behringer DCX2496 ~ Envision Electronics psu
    Transflective Xenarc

    My Car Pc Install
    My Boat Pc worklog

  5. #15
    Fusion Brain Creator
    Join Date
    Mar 2005
    Posts
    2,221
    Here's a little more background on the issue.

    We use NPN transistor arrays to drive the 12 outputs. NPN, by definition, switches the ground. We really had to do it this way to make it easy to drive relays. It's kind of difficult to explain, but I can draw up some diagrams if you like.

    The contacts in the relay will work just like the contacts in those switches.

  6. #16
    MySQL Error scott_fx's Avatar
    Join Date
    Dec 2004
    Location
    Los Angeles Ca
    Posts
    3,998
    i think i am grasping it now, thanks.
    New System in progress:
    M10k
    Phaze TD1500 ~> Dynaudio MD130
    Phaze TD1500 ~> Seas g18rnx/p
    Zapco Ref 500.1 ~ 12" tc-9
    Behringer DCX2496 ~ Envision Electronics psu
    Transflective Xenarc

    My Car Pc Install
    My Boat Pc worklog

  7. #17
    Fusion Brain Creator
    Join Date
    Mar 2005
    Posts
    2,221



    That is our configuration, and you attach a relay to those two terminals.

    This works great because it makes relays simple to hook up, since 12v is part of the circuit.

    However, you need to switch the EXISTING voltage, not insert 12v. Relays are great for that.

  8. #18
    MySQL Error scott_fx's Avatar
    Join Date
    Dec 2004
    Location
    Los Angeles Ca
    Posts
    3,998
    hey guys, thanks for all the input, i think i'm going to have to pass on this for now. I think it'll just be a bit too far over my head especially with the display and rotary temp knobs.

    hopefully in the future i'll find a use for this device and will be able to implement it in my install. I think this is an amazing product and would love to support you guys.
    New System in progress:
    M10k
    Phaze TD1500 ~> Dynaudio MD130
    Phaze TD1500 ~> Seas g18rnx/p
    Zapco Ref 500.1 ~ 12" tc-9
    Behringer DCX2496 ~ Envision Electronics psu
    Transflective Xenarc

    My Car Pc Install
    My Boat Pc worklog

  9. #19
    Newbie
    Join Date
    Jul 2007
    Posts
    3
    Quote Originally Posted by greenman100 View Post
    You can, yes, but you have to have a pretty good idea of what you're doing, and you'd have to understand what those buttons are doing, also. I can't really tell you how to hook it up without having it in from of me to test and understand how it works. I can say without a doubt that disconnecting the switches and connecting the relays will work.
    yes, i think we have to have a pretty good idea of what you're doing.thanks!

  10. #20
    Newbie Red_Baron's Avatar
    Join Date
    Oct 2007
    Posts
    13
    I want to do something simular with the hvac controls, but I don't want to use anything from the old controls. All the knobs are variable resistors, and you stated those can be controled by the brain right?
    Attached is the pin outs for the controls I was thinking of replacing with the fusion brain. Thanks for any help you can give me, and thanks for the great product. I hope to be using it soon in my carpc install.
    --
    Red Baron
    Attached Files Attached Files

Page 2 of 3 FirstFirst 123 LastLast

Similar Threads

  1. Mac Powerbook-gps ease of use?
    By rogertb in forum GPS
    Replies: 0
    Last Post: 04-12-2006, 02:15 AM
  2. XENARC Ease Of Use
    By cgearing in forum LCD/Display
    Replies: 0
    Last Post: 03-22-2006, 06:43 AM
  3. Replies: 0
    Last Post: 11-19-2005, 02:47 PM
  4. ease of websites on 7"?
    By khanhdom in forum LCD/Display
    Replies: 0
    Last Post: 10-03-2005, 08:08 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •