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Thread: Anybody have tachometer or speedometer?

  1. #21
    Newbie
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    Jul 2010
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    6

    F2V Boards

    Are the frequency to voltage boards available for sale? I can't seem to find them on mp3car.com's store.

    Thanks for all of the postings ACCLR8N. I'm trying to replace a portion of my dash in a late-80's Pontiac.

  2. #22
    Fusion Brain Creator 2k1Toaster's Avatar
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    Mar 2006
    Location
    Colorado, but Canadian!
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    10,053
    yes we have them. We are just starting to transfer our store to mp3car's store. They do not currenty have it listed, but will shortly.
    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. #23
    Constant Bitrate ACCLR8N's Avatar
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    Apr 2009
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    Davisburg, MI
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    195

    Less Atlantic

    Quote Originally Posted by kriswinner View Post
    I'm trying to replace a portion of my dash in a late-80's Pontiac.
    Firebird?

  4. #24
    Newbie
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    Jul 2010
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    6
    '88 Fiero Formula.
    Mostly stock, but we did swap the 2.8L V6 for the Firebird's 3.4L V6.

    My plan is to replace the tachometer location with a screen (which will allow me to develop it while still knowing how fast I'm going).
    Attached Images Attached Images   

  5. #25
    Variable Bitrate
    Join Date
    Sep 2007
    Location
    Export, PA
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    265
    I just finished doing the math for my car for calculating vehicle speed using the VSS...

    I just need to find the voltage per Hz number so I can finalize the math...

    Basically this is what I got:

    Assuming 60MPH...

    825 Tire revs per mile x 8 VSS Pulses per tire rev = 6600 pulses per mile
    6600 PPMile / 60 (to get pulses per second) = 110 Pulses per second (110Hz)
    110Hz x (4.5v / F2V limit freq) (this gives me per Hz voltage) = X voltage going to FB input

    X / 60 = Y voltage per MPH

    All of this will be much simpler once implimented...I still have to get a F2V board from mp3car
    Planning: [|||||||||-] 90%
    Purchased: [|||||||||/] 99%
    Installation: [|||||||||-] 90% (when is anyone's project ever REALLY done...)

  6. #26
    Constant Bitrate ACCLR8N's Avatar
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    Apr 2009
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    Davisburg, MI
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    195
    210HZ/volt with a maximum output voltage of 3.6V assuming you are powering it with the FB 5V.

    http://www.mp3car.com/vbulletin/fusi...e-board-2.html

  7. #27
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    Jul 2010
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    6
    Quote Originally Posted by 2k1Toaster View Post
    yes we have them. We are just starting to transfer our store to mp3car's store. They do not currenty have it listed, but will shortly.
    Looks like there may be some buyers for the F2V boards...

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