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Thread: Looking for a circiut board Genius!

  1. #41
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    Looking at the pictures...

    I assume that things such as USB ports and your analog input ports are all sockets so no biggie, just plug them in and out of the board.

    The digital I/O on the bottom of the board I am assuming are basically just holes through the side to put wires through and holes in the top to pass a screw driver through? (Will have to be a long one for your full height board it looks like.)

    And are the top ports for ODBII? I think I saw the holes for those in the side to pass the wires through and the top for the screw driver.

  2. #42
    FLAC SNOtwistR's Avatar
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    Yes everything is socketed, 4" screwdriver is all thats needed to tighten the wires for obd2 and digital in/outputs. SNO

  3. #43
    Maximum Bitrate rray's Avatar
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    Yesterday I got the Mini USB & Bluetooth Interface GPS Demo Board from China... that was very fast! I'm still waiting on the Phidget.

    I'm unclear as to how the Mini USB & Bluetooth Interface GPS Demo Board is used though? Do you have a photo of the cable between that board and the GPS connector?
    Last edited by rray; 05-19-2013 at 10:00 AM.

  4. #44
    FLAC SNOtwistR's Avatar
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    It bolts to the bottom of the mainboard, I forgot to mention you need to remove the serial port db9 connector. That sticky pad goes inbetween the boards for insulation from electrical shorts being back to back. the 4" jumper cable goes to the gps unit and the 4 pin connector on mainboard. I think I forgot to send the 90* 4 pin connector its just your basic 4 exposed pins bent in a 90. SNO
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    Last edited by SNOtwistR; 05-19-2013 at 02:20 PM. Reason: added pics

  5. #45
    Maximum Bitrate rray's Avatar
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    OK, nice! I did not see this board in any of the other photo's so was not sure if I needed a different enclosure or not. Well thought out!

  6. #46
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    Updates.. I have one of these boards and have gone back and forth with Sno about the board. The construction is great. Just trying to get it all together now and get it working. I will post information from the emails he sent to me so I can have one place to have them and share the information with others...

    The GPS unit is this one:
    http://www.sureelectronics.net/goods.php?id=99

    The Phidgets is this one:
    http://www.phidgets.com/products.php...duct_id=1010_0

    The ODB scanner is this one:
    http://www.scantool.net/dev-tools/mo...roobd-200.html

    Note that as mentioned before the Phidgets only goes in the top 36 pins on the board as in this picture.
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    When assembling the board I saw a bunch of weird spacer setups and didn't realize how they went so after bugging Sno again he provided this great picture:
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    He also mentioned that to test the tire pressure sensors if you need to that they need to be pressurized. And he suggested a bug sprayer similar to something like this one:
    http://www.homehardware.ca/en/rec/in...lke/R-I5050670
    But really anything you can use that has pressure in it could be used. I am going to try to write some plugins for Open Mobile so I have been bugging him for information.

    Here is the picture that Sno sent to me when I asked about the ODBII wiring and the other wiring setups:
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    He mentioned that everything was silkscreened on the board. when I asked the question I couldn't see the silk screening because the box was assembled. I have it currently disassembled as I try to put everything together. I took this picture of the silk screened ports.
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    Based on this picture and the picture above I have to believe if I list out the pin assignments from right to left they would read like this:
    1: Gnd (-12 on the picture)
    2: +12 Volts
    3: J1850 J-
    4: J1850 J+
    5: Kline L (Guessing on this one since everything else is paired together)
    6: Kline K
    7: Can - LO
    8: Can - HI

    If I am wrong here please let me know Sno.
    Sno also mentioned to me that the wire used in the pictures are not the same ODBII cable he sent out so you can not match up the color to the pictures. I am waiting for him to let me know what colors on the cable he sent me line up to which.

    From his picture above I just took additional close up pictures as well.
    The analog inputs:
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    The digital inputs and outputs:
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    I asked him if the batteries were changeable in the tire sensor modules and he sent me this picture which basically says not likely. I will buy some new sensors and start hacking these old ones to see if I can change the battery myself. If I can change the battery and get it to seal up it would be a great thing I think. I may even move the mount of the battery externally if I can seal it back up.
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    From an email question about the parking sensors I will just quote Sno:
    The parking distance black cable with 4pin cd type connector goes into 1 of the 2 side connectors on the top level board and power is from the 2 wire jumper and the pinout is the same as the picture of the bottom level board missed that in the silkscreening I will take some more pictures of assembly of case and where everything goes but the little plastic spacers on the 3" bolts are in the correct order.
    Last edited by redheadedrod; 01-25-2014 at 01:11 PM.

  7. #47
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    At this time I have all the add on boards installed other than a wireless backup sensor which I won't worry about yet until I get the rest done since it should be a simple addition.

    I will update the last message I posted once Sno gives me the color scheme for the cable. I noticed I also asked the same question more than once in the emails which is another good reason to post this all here instead of trying to pull everything from 20 emails..

    In the kit I received I did not get an angle bracket for the USB cable on the GPS so I desoldered the serial connector and just soldered the wire directly to the board.
    (Couldn't find my solder wick so I just did what I could...)
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    Seems to be working so I can try putting my box together. I just called into work so I will have to come back to this...

    Rodney
    Last edited by redheadedrod; 01-31-2014 at 12:07 PM.

  8. #48
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    Ok, so I have my box assembled and seems to be connected since I can see them in my windows devices...

    I need to test the Phidgets stuff but not sure the best suggestion to use for the outputs?

    LED's with some resistors for outputs and simple switches for inputs or what?

    Trying to get it up and running with Driveline now.

  9. #49
    FLAC SNOtwistR's Avatar
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    For the phidget testing digital in http://www.phidgets.com/docs/Digital_Input_Primer and out http://www.phidgets.com/docs/Digital_Output_Primer. Analog http://www.phidgets.com/docs/Analog_Input_Primer Also you might want to change the baudrate for the micro obd200 chip as it is factory set at 9600. to change follow these instructions
    change the baud rate using STBR 115200, you have to change the baud rate on the terminal and send STWBR to write it to memory. Do not close the terminal to change the terminal's baud rate or the IC will revert to the previous baud rate. Once that is done the baud rate will be saved and it will not revert with the command ATZ.
    and for a list of the commands read here http://www.scantool.net/scantool/dow...n1100-frpm.pdf I am going to get that pinout for the obd2 cable shortly Hope this helps SNO

  10. #50
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    Thanks. I do have one last question for you Sno. I am just hooked up to the USB port at the moment and it is powering up the devices so far as I can tell. But those onboard LED's are not lighting up. What is supposed to light those up?

    Rodney

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