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Thread: CTIS and Arduino

  1. #51
    Sergeant Fatalid's Avatar
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    Stuff like this is super awesome! I live and breath tinkering with electronics.... my desk at work is littered with arduino boards, bread boards, relays, all sorts of components, solder station, etc. etc. etc.

    I love seeing this kind of stuff take life.

    Good Work!

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    Plasa (02-14-2019)

  3. #52
    Sergeant Major Third From Texas's Avatar
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    Well done !

    Safe travels.

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    Plasa (02-14-2019)

  5. #53
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    Very Cool Christian!

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    Plasa (02-14-2019)

  7. #54
    Sergeant Plasa's Avatar
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    For everyone that want build a new CTIS ECU:
    Don't forget flyback diodes, it drove me crazy trying out why sometimes the Arduino reset without any reason when shutting off the valves... Seems that no diodes are in the solenoids...

    Happy hacking!

    Christian

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    Awesomeness (02-21-2019), Russ Knight (02-20-2019), Third From Texas (02-20-2019)

  9. #55
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    Any progress?

    Looking forward to the finished project report.


    Sent from my iPad using Tapatalk

  10. #56
    Sergeant Plasa's Avatar
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    Hello all.
    Sorry for the late answer, but due heavy work I did not found the time to answer.

    After 2000 miles I must admit that the Arduino and CTIS do a great job. It works like a sharm, every 15 minutes checks the pressure and adjust it. No problems after all. More problems with broken coolant houses... But that's another thread

    What I add is a config switch to set the 4 default pressures, and can be used as a manual emergency function. In config mode no check is done, as long you press inflate / deflate button the system inflate / deflate.

    And a power off switch to cut off completely shot off the CTIS, if something go wrong and/or no need if continues checks.

    The total cost of the ECU on Arduino is about 100$, including connector, arduino, alu housing, relays etc. I sold 2 ECU's to the company who sold me the truck, because it works with every type of pressure transducer and type of truck. Installation is easy, just plug off the old ECU and plug in the new one, set up the 4 pressures you like and done...

    If someone is interested in the arduino sketch, or has an idea how to make it public available, or want to build it for selling, drop me a message, I will share all information with you! I have some problems getting spare parts of this awesome truck's here in Europe, so maybe there's someone in the US who can help me finding some spare part, or a civilian part number...

    Christian

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    Awesomeness (04-24-2019), coachgeo (04-23-2019), Ronmar (04-23-2019), Third From Texas (04-23-2019)

  12. #57
    Sergeant Major Third From Texas's Avatar
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    Awesome followup there, Christian !

    Good to hear that it is working as intended.

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    Plasa (04-23-2019)

  14. #58
    Administrator patracy's Avatar
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    PM me and we'll publish the sketch.
    M114
    1992 M1038
    1969 M35A2 wo/w, hoist in bed, heater, Ooga horn, Recentered HEMTTs and 395's, "Candy Smasher"
    1968 M543A2 Wrecker - You know, for heavy lifting...
    1984 M931 - SEMTT project
    198? M270 trailer TBD...
    1985 M1008 - SMOKEY 8" lift, 37" humvee 24 bolt wheels/tires, turbocharged.
    And a few M105 and M101 and other trailers

  15. #59
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    If someone makes these available I would buy one. This electronic stuff is over my head. I just know I want the higher pressures for highway.

  16. #60
    Sergeant Plasa's Avatar
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    Hello!
    I now build in total 4 and sold 3. If someone need a complete ECU as descibed before I will sell them for 200$ + shipment.

    Christian

    Quote Originally Posted by SausageGuy View Post
    If someone makes these available I would buy one. This electronic stuff is over my head. I just know I want the higher pressures for highway.

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