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Thread: Nice little infrared hardware hack for Lilliput owners

  1. #41
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    Sonicxtacy02's Avatar
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    wow how'd u find this thread!!! I've spent hours searching for it before and just couldnt find it.. i think it should be stickied due to the fact its a fast and FREE way to use your lilliput infrared sensor to control ur computer.
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  2. #42
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    Quote Originally Posted by bimmeracer View Post
    never knew that. I think I might want to try this. In all honesty, how long would it take for someone with little soldering skills to complete this install?

    About 2-3 hours fabricating, if you have any skill at all, and additional time to set up either [Winlirc (free) + AutoHotkey (free)] or Girder (buy). Setup time is as long as the number of functions you want to run.

    http://lnx.manoweb.com/lirc/ This page pretty much holds your hand through the fab of the IR reciever, which will gather IR signals from any IR remote...like my posts, this page is verbose, full of detail, but probably could be a lot, lot shorter. After this, all you would need is the software if you wanted to just control your computer from an IR remote. All the parts are available at RadioShack.

    http://www.lirc.org/transmitters.html Here is the transmitter. You need a transmitter if you want to use your computer to send remote signals to other devices.

    http://winlirc.sourceforge.net/ This is WinLIRC, the program that translates the signals collected from the IR receiver to digital code that can be stored on the computer and used later. It watches the ports the receiver is hooked up to, and records whatever it sees. This is the "learning" part of your new learning remote control system. See the winLIRC home page for usage instructions.

    http://www.autohotkey.com/ This program simply watches for certain things to happen on the PC, and triggers scripted events that you specify. You can use it to watch for digital code from WinLIRC, and then mimmick keyboard keypress sequences and mouse movement based on the IR codes it sees. You can use Autohotkey to translate keypresses, button presses in your favorite front end, or codes from a Hitatchi remote into codes a JVC device understands. You can then tell Autohotkey to send that remote signal to, for example, your touchscreen monitor, or to a remote audio device, or to your VCR to tell it to record, etc. You could write an autohotkey script to send a remote code that turns on a surround sound amplifier and dims the lights whenever you start your favorite DVD software. If you have autorun enabled, you can make these things happen upon DVD insertion. You can tell it to write "War and Peace" in a word document and store it in the recycle bin whenever you press "page up" on your cable box remote, if you want. You can even use it to replace all instances of "Dwight Schrute" with "diapers" whenever you type it.
    I have too much time and too little aggravation in my life, so I built a carPC. ;)

  3. #43
    MySQL Error MatrixPC's Avatar
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    Quote Originally Posted by Sonicxtacy02 View Post
    wow how'd u find this thread!!! I've spent hours searching for it before and just couldnt find it.. i think it should be stickied due to the fact its a fast and FREE way to use your lilliput infrared sensor to control ur computer.
    Probably because I link to him in his other thread (extend lilliput sensor).
    Take me sometime to find the correct search words. I knew it there cuz I remember I read it sometime ago .
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  4. #44
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    Quote Originally Posted by bimmeracer View Post
    never knew that. I think I might want to try this. In all honesty, how long would it take for someone with little soldering skills to complete this install?
    Basically, you need a soldering iron and a de-solder pump. I found that the pump work much better, cleaner than solder wick. The image below is my soldering iron and pump


    For the hardware, it will take you about an hr. It's not that hard just attention and carefull eat up your time. NOTE: I only link the image. mox took these pictures below. NOT ME.
    Buy a 9pin female D SUB connector and solder it according to the image below


    You should then get something like this to plug in the COM port. You can get a D SUB cover or use hot glue and cover it up like I did. .


    In the image below, the RED wire is DSR and the other is ground.


    Lilliput sensor work very well with this mod.
    I have a Panasonic sensor from digikey and it didn't work reliable with this mod. Instead, I have to do the simple LIRC circuit like the one on this page http://lnx.manoweb.com/lirc/ or the circuit base on the Igor Gesko page.
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  5. #45
    mox
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    Wow, thanks for the credits, guys! Nice to see a revival of this thread. I've been enjoying the little hack for nearly two years now without a glitch.
    CarPC status: HW all done, SW needs tweaked.
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  6. #46
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    One question. I am using a zeitronix wideband for datalogging on that com port. Is there a way to use both by splitting the signal or will they conflict with each other?

    also, what would be a good remote to use to control both the lilli and the computer?
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  7. #47
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    Quote Originally Posted by bimmeracer View Post
    One question. I am using a zeitronix wideband for datalogging on that com port. Is there a way to use both by splitting the signal or will they conflict with each other?

    also, what would be a good remote to use to control both the lilli and the computer?
    How many COM port does your mobo has? Some have additional port (internally). Also, you can use USB -> Serial adapter. It's kind of hit and miss. So depend on the conversion chip on the adapter. I don't know which one work and which not.

    To control the Lilliput, you have to use it own remote or a learning remote that has capture it codes. Computer, you can use any remote that is 38Khz. Basically, all household appliances remote are usable.
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  8. #48
    Raw Wave tbird2340's Avatar
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    I want to do this but my Lilli's IR receiver is in a different spot. I have the 8" Lilliput 809GL-80NP/C/T. Not sure if the pin layout is the same for the ground and dsr. Anyone know? Thanks
    Current Vehicle: 2007 Dodge Nitro

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  9. #49
    Raw Wave tbird2340's Avatar
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    Can someone confirm this for me please? I'm trying to do this mod as well as extend my receiver.

    I just metered the actual three joints where the legs go. They read 5V, 5V, and 2.5V. Isn't one of these legs supposed to be ground?

    Thanks for any help.
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  10. #50
    Raw Wave tbird2340's Avatar
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    Anyone!?!?? PAAALEEEASE!

    This is the LAST thing I need to do before installing my setup in my truck. I need the IR because my buttons are not accessible.

    Someone.. Anyone.. Please can you tell me what your 3 solder points of the IR receiver are supposed to read..

    Thanks in advance!
    Current Vehicle: 2007 Dodge Nitro

    Second Vehicle: Sold it :( 2005 Dodge Ram 1500 Quad Cab

    First Vehicle: 2003 Ford Ranger

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