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Thread: Startup / Shutdown Controller w/ LCD Char Screen

  1. #11
    Low Bitrate LUWE SYGABU's Avatar
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    New Schematic And Parts List

    Hey, You guys are very supportive thanx. I have recieved a lot of questions recently. I hope I can answer all of them for you guys.

    A fellow member, Opticzero, offered to work up a schem and I think he did a great job. It has a unique look, but most importantly it gets the point across. I'm sorry you guys haven't been able to read my hand written one very well. Also, he worked up a parts list as well. I hope these help.

    As for building them for sale. I was recently working on a PCB for this thing, but it's been put on the back burner for a bit. I'm moving to Omaha next week and as a single father with a 4 yr old 100% of the time, I have been busy. I will get the thing finished and I'll let you know if I'll be able to make some for you guys who aren't able to build one. It's really not that hard though. I'll let you all know soon.

    Thanks again for all of your support.

    Luwe
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    May all your dreams come true.....unless your dreams are nightmares ~ L.S.

    http://www.mp3car.com/vbulletin/show-off-your-project/67759-2006-honda-civic-breaking-ground-what-warranty.html

  2. #12
    Low Bitrate LUWE SYGABU's Avatar
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    For those of you who are having a hard time compiling the progam, this is the compiler IDE i used.
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    http://www.microengineeringlabs.com/...es/win_ide.htm
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    I will try to post a HEX file for you guys. I do find it much more adventageous for you so that you can use any PIC chip you want and can personalize the code for yourselves. I'll have to round up the HEX file.
    May all your dreams come true.....unless your dreams are nightmares ~ L.S.

    http://www.mp3car.com/vbulletin/showthread.php?t=67759

  3. #13
    Newbie optczr's Avatar
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    I have tried to compile your code and noticed that there were some errors that showed. The following lines during the compile process were displayed. You have stated that you had some errors in your code and I just want to make sure that the ones listed below are them or did I do something wrong. Also posting the HEX file would be GREAT..


    The following lines can up as (BAD EXPRESSION)

    lcdout $FE, $C0+4, DEC2 SHTDWN_TIME, " Sec."
    lcdout $FE, $C0+4, DEC2 LOAD_TIME, " Sec."
    lcdout $FE, $C0+4, DEC2 IGNDLY_TIME, " Sec."
    Lcdout $fe, 1, Dec (temperature / 100), ".", DEC2 temperature, " C"
    Lcdout $fe, $C0, Dec (temperature / 100), ".", DEC2 temperature, " ", 223, "F"
    LCDOUT $FE, $C0, "-", DEC TEMPERATURE, ".", DEC2 TEMPERATURE, " ", 223, "F"


    The following lines can up as (SYNTAX ERROR)

    OWOut DQ, 1, [$55, $28,$B1,$FE,$22,$00,$00,$00,$5D,$44] ' Start temperature conversion
    OWIn DQ, 4, [count_remain] ' Check for still busy converting
    OWOut DQ, 1, [$55, $28,$B1,$FE,$22,$00,$00,$00,$5D,$44] ' Read the temperature
    OWIn DQ, 0, [temperature.LowByte, temperature.HighByte, count_remain, count_per_c]

  4. #14
    Newbie optczr's Avatar
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    Forgot to add in the technical information.
    The compiler, which I am using, is PicBasic Pro with MicroCode Studio as the editor. The chip, which Iím trying to compile for is the PIC16F877A.

  5. #15
    Newbie optczr's Avatar
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    Thanks for your Hex file. I'm downloading it right now. Your code will allow me to test the circuit, which I built from the drawings. Once I have everything working, Iíll let you know.

  6. #16
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    Shut down issue with laptop. Consider going stand by mode

    Have switch to inverter shut down w ignition switch. (Simple low volltage relay) Have laptop screen closed when installed in car. Set power options for laptop to go to standby mode when screen is closed. When laptop goes from ac power to battery power it will go to standby mode. When you start car up and inverter comes on laptop will boot back up automatically. Thanks, Richard
    Should work but you know how Winblows is. Sometimes it takes some tweaking to get windows to operate properly.

  7. #17
    Low Bitrate LUWE SYGABU's Avatar
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    FYI, you need to activate setup and set your startup and shutdown times using the menu and select buttons, prior to turning the ingintion. It is designed to be able to run setup without acc on. It will save your selections into the eeprom and they remain there until you either change the setting or reprogram the chip.
    May all your dreams come true.....unless your dreams are nightmares ~ L.S.

    http://www.mp3car.com/vbulletin/showthread.php?t=67759

  8. #18
    Low Bitrate LUWE SYGABU's Avatar
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    Quote Originally Posted by iceking69 View Post
    Have switch to inverter shut down w ignition switch. (Simple low volltage relay) Have laptop screen closed when installed in car. Set power options for laptop to go to standby mode when screen is closed. When laptop goes from ac power to battery power it will go to standby mode. When you start car up and inverter comes on laptop will boot back up automatically. Thanks, Richard
    Should work but you know how Winblows is. Sometimes it takes some tweaking to get windows to operate properly.

    I think that having a laptop mounted on your dash is certainly an option, not desirable by most. It is much less space consuming not to mention self gratifying to have a touch screen mounted in the dash. Sometimes more difficult = more fun. Even if you are not intending to mount the laptop on the dash, some aren't using a laptop in their system. Good idea for a simple laptop power control though.
    May all your dreams come true.....unless your dreams are nightmares ~ L.S.

    http://www.mp3car.com/vbulletin/showthread.php?t=67759

  9. #19
    Newbie optczr's Avatar
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    I have attached a revised drawing, which shows a some changes from the original.
    1. R2 was changed from 1K to a 10K resistor.
    2 The PIC16F877A, VDD line is listed as +5 and the VSS is now listed as GND.
    Also wanted to say thanks to Luwe for his help.
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  10. #20
    Newbie optczr's Avatar
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    In the process of making a board and if everything goes good, I'll get my screen tomorrow and install this into my car Saturday (after testing)
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