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Thread: tapping tachometer wire?

  1. #21
    Raw Wave shotgunefx's Avatar
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    Quote Originally Posted by MatrixPC
    hummmmmm, I thought tach signal is AC instead of DC.
    At least my Supra is.
    To my tach indicator, it's a 5v pulsed signal (4 pulse per revolution).

  2. #22
    Constant Bitrate DrStein99's Avatar
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    Quote Originally Posted by shotgunefx
    To my tach indicator, it's a 5v pulsed signal (4 pulse per revolution).
    --------------

    Where EXACTLY is the best place for me to hunt down that wire - do you have a 1995 maxima also? Where did you tap your wire at - please? That is the one I am looking for.
    www.RAIDGEAR.net Engineering :: Research, Development and Art - all is one www.DrStein99.com

  3. #23
    Raw Wave shotgunefx's Avatar
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    Quote Originally Posted by DrStein99
    --------------

    Where EXACTLY is the best place for me to hunt down that wire - do you have a 1995 maxima also? Where did you tap your wire at - please? That is the one I am looking for.
    No idea on your car. I've got a 02 Sebring Coupe.

    That's why I was suggesting you get the service manuals. I've got just about every piece of documentation for my car that was ever made.

    A quick scan of ebay finds one on ebay for your car for $7 dollars.

    http://cgi.ebay.com/ebaymotors/1995-...spagenameZWD1V

    If I were you, I wouldn't think of screwing with things until you have the docs, but that's just me.

  4. #24
    Constant Bitrate DrStein99's Avatar
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    Good idea. Thanks for the link, the info looks like its worth the whole $7 and free shipping. For as often as I expect to dig around, I'm sure i'll find a use for something else in that book.
    www.RAIDGEAR.net Engineering :: Research, Development and Art - all is one www.DrStein99.com

  5. #25
    Constant Bitrate DrStein99's Avatar
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    shotgunefx - what language are you programming you pic-chips in?
    www.RAIDGEAR.net Engineering :: Research, Development and Art - all is one www.DrStein99.com

  6. #26
    Constant Bitrate DrStein99's Avatar
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    ac

    If it's ac or dc, I can check w/ an ohm-meter, and use a bridge or some other type of circuit to convert to a dc-signal.
    www.RAIDGEAR.net Engineering :: Research, Development and Art - all is one www.DrStein99.com

  7. #27
    Raw Wave shotgunefx's Avatar
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    Quote Originally Posted by DrStein99
    shotgunefx - what language are you programming you pic-chips in?
    The free version of HI-Tech C.
    http://www.htsoft.com/products/PICClite.php

  8. #28
    Constant Bitrate DrStein99's Avatar
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    Ok. Yes; I couldnt try that compiler - since I started with pic16f84's and now using pic16f628 chips. That compiler didnt support my chips.

    I dont have a use for the 28 or 40 pin chips yet, but have a project comming up where i need like 20 i/o channels - and was on the prowl for good and cheap developer board for that, hopefully with a zif socket this time.

    Its hard to find support for pic projects, mostly I see assembler code, which is too much for me to learn right now. I'm using sourceboost-c compiler, which the examples are mainly written for "C2C" and translating just one line can hang me up for weeks, figuring this out; its probably the most difficult project I had taken on in a long time.
    www.RAIDGEAR.net Engineering :: Research, Development and Art - all is one www.DrStein99.com

  9. #29
    Raw Wave shotgunefx's Avatar
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    Quote Originally Posted by DrStein99
    Ok. Yes; I couldnt try that compiler - since I started with pic16f84's and now using pic16f628 chips. That compiler didnt support my chips.

    I dont have a use for the 28 or 40 pin chips yet, but have a project comming up where i need like 20 i/o channels - and was on the prowl for good and cheap developer board for that, hopefully with a zif socket this time.

    Its hard to find support for pic projects, mostly I see assembler code, which is too much for me to learn right now. I'm using sourceboost-c compiler, which the examples are mainly written for "C2C" and translating just one line can hang me up for weeks, figuring this out; its probably the most difficult project I had taken on in a long time.
    I think there are other truely free ones. Is the 627 that different from the 628? Might be able to compile it to asm then load it.

  10. #30
    Constant Bitrate DrStein99's Avatar
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    I can use souceboost compiler now; and dont have a problem with that - just that the site / forums are very light and dont see much traffic.

    Was looking to scout around for a compiler or forum that had some more activity.
    www.RAIDGEAR.net Engineering :: Research, Development and Art - all is one www.DrStein99.com

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