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  1. From what I have heard elsewhere on forums, this...

    From what I have heard elsewhere on forums, this is extremely non-trivial if not impossible. It would likely require significant re-engineering of the V1 as the sensors are all integrated onto one...
  2. Good catch! I think I was half-asleep when I did...

    Good catch! I think I was half-asleep when I did that part. You are right. And I found another issue: that transistor can only do a maximum gate-to-source voltage of -20 volts. Which means that...
  3. For voltage source, I don't quite see the...

    For voltage source, I don't quite see the question here... Didn't you say your rear-view mirror has 12V available? The design has a linear 5 volt regulator that is powered from the Valentine One's...
  4. A quick glance at your Bluetooth module and it...

    A quick glance at your Bluetooth module and it looks like it supports SPI? If so then this raises interesting possibility. I already have a programmer header on the board. However for this chip...
  5. Preliminary Schematic

    Here's the preliminary schematic for all to observe...

    I finished the board design; it is 1.85" long by 1.5" wide. The silkscreen layer needs some work but other than that I think the board is...
  6. New Open Source Valentine One USB Adapter Design

    Today I finished designing a custom Valentine One to USB adapter. My design only vaguely resembles the V1 Virtual Display at http://v1vd.blogspot.com/. Unlike that design, I plan on using a USB...
  7. It took me a couple days (but I wasn't working on...

    It took me a couple days (but I wasn't working on it 100% of the time either). But I never work on cars much either, so if you're comfortable with that sort of thing it should take you less time. ...
  8. Good luck! Don't forget you need to get your A/C...

    Good luck! Don't forget you need to get your A/C system discharged before you start work (if you want to stay legal).

    For parts, I found the blower motor assembly on eBay quite reasonably. The...
  9. First you need to make sure you remove the center...

    First you need to make sure you remove the center dashboard lower cover (the cover with cigarette lighter connector). Then remove the radio.

    Next steps depend on if you're removing controls from...
  10. n8r4e3: what (hopefully cheap) items did you use...

    n8r4e3: what (hopefully cheap) items did you use for embedding the screen in your 99-00 bezel? I haven't yet done this yet on mine. In particular, (1) which touchscreen VGA LCD did you use (if that...
  11. I must ask - why did you swap from a 99-00...

    I must ask - why did you swap from a 99-00 climate control to a 96-98 climate control? I find the 96-98 climate control design & circuits inferior in every conceivable way. The newer 99-00 design...
  12. Replies
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    Just saw this on Digg the other day... Fueling...

    Just saw this on Digg the other day...

    Fueling a Lifestyle

    In particular:



    So there you have it. I also have a Honda Civic and was wondering how you would calculate instant MPG when you...
  13. How would a cut off fuel pump be different from...

    How would a cut off fuel pump be different from running out of gas in the gas tank? (Or is it not - and running out of gas causes you to risk detonation? seems like bad design).

    Good idea with...
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    From the linked product: "The ELM327MU is...

    From the linked product:

    "The ELM327MU is based on the ELM327 multi-protocol chip with an USB PC interface. Using advance SMD technology the whole circuit is built inside the OBDII connector."
    ...
  15. What if the system breaks...? Short answer, I...

    What if the system breaks...? Short answer, I can take apart my car and bypass the appropriate component to get it going again (a few tools hidden inside the seat should help the process). The most...
  16. Custom ignition/alarm/immobolizer system

    OK this all started from my intent to (1) provide stable 12V power source to car PC electronics, even when cranking, and (2) secure the car as much as possible from theft. Well it's gotten a little...
  17. 1. I was under the impression that even an SLA...

    1. I was under the impression that even an SLA battery will need some amount of venting - they do release gasses under certain circumstances, right?

    2. Right, but obviously there's a limit. I...
  18. Tank battery & ventilation; run lines carrying high voltage

    OK so I am thinking about using a tank battery on my 97 Honda Civic to avoid low voltage problems during crank:

    1. Battery would probably go in trunk.
    - Don't batteries need ventilation? ...
  19. Well I finally went through with the upgrade. ...

    Well I finally went through with the upgrade. There are some great looking projects on here that utilize the 1996-1998 climate controls. But I decided I want the OEM look with 1999-2000 controls. ...
  20. So here are a couple possibilities: 1. ...

    So here are a couple possibilities:

    1. Regulate all 12V power from the car (say, up to 16 amps - 12 * 16 = 192).
    2. If everything else works, just regulate the unregulated 12V rail? Then you...
  21. Any reason why one of these (PW-200-M) couldn't...

    Any reason why one of these (PW-200-M) couldn't work? http://www.mini-box.com/s.nl/sc.8/category.13/it.A/id.300/.f

    Lot cheaper than $190. You could get 3 for less than than $190.

    Maestro's...
  22. OK maybe not official miniITX form factor - but...

    OK maybe not official miniITX form factor - but you get the idea, the sort of mobo you find in a barebones system that had only a regular 250 watt conventional AC/DC PSU. Also would you really need...
  23. DC-DC PSU Recommendation for Mini PC

    What would be the absolute cheapest (but still reliable) way of getting a DC-DC adapter/PSU for a mini PC-type system (e.g. Shuttle). I am not interested in the VIA C3 CPUs or motherboards, they are...
  24. Well I finally found a replacement car. After...

    Well I finally found a replacement car. After looking at some of the other cars I decided I wanted another Honda Civic (big surprise). So now I have a Civic 97 LX which as you all know is very...
  25. :( Just totalled the car today. So much for my...

    :( Just totalled the car today. So much for my dreams of automating it with a car PC...

    Had all the parts to do the conversion too, except for the heater box and air flow duct.
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