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Thread: Help with th UBLOX LEA-4H

  1. #1
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    Join Date
    Nov 2006
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    2

    Help with th UBLOX LEA-4H

    can anyone help me with my project, basically i have to track an rc plane, but i dont want the module to continuosly give me the coordinates, i want to interupt it when i want its position.

    the whole project will consist of the UBLOX module, an sms decoder/trigger circuit (using a microchip PIC) and a gsm/gprs module. when i send an sms to the gsm/gprs module, depending on the sms received, the decoder/trigger will interupt the UBLOX module, causing the UBLOX module to send its coordinates to the gsm/gprs module once, and the decoder/trigger will continue to interupt the UBLOX periodically, until an sms is sent to the decoder telling it to stop the interupts, therefore no more coordinates.

    so i just need help with configuring the UBLOX for a one shot interupt, meaning that a cordinate is only given when the module is interupted.

    here is the picture of the UBLOX module

    Name:  lea4p_roHS.jpg
Views: 1085
Size:  8.4 KB

    and this is how the final project will be made

    Name:  defaultnav.JPG
Views: 1250
Size:  38.1 KB

    some documentation of the module

    LEA-4H_Prod_Summary(GPS.G4-MS4-05018).pdf

    if you need more follow this link http://www.u-blox.com/products/lea_4h.html

    IM AT YOUR MERCY


  2. #2
    cheap custom title JC-S60's Avatar
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    Mar 2004
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    Quote Originally Posted by ishmail View Post
    can anyone help me with my project, basically i have to track an rc plane, but i dont want the module to continuosly give me the coordinates, i want to interupt it when i want its position.

    the whole project will consist of the UBLOX module, an sms decoder/trigger circuit (using a microchip PIC) and a gsm/gprs module. when i send an sms to the gsm/gprs module, depending on the sms received, the decoder/trigger will interupt the UBLOX module, causing the UBLOX module to send its coordinates to the gsm/gprs module once, and the decoder/trigger will continue to interupt the UBLOX periodically, until an sms is sent to the decoder telling it to stop the interupts, therefore no more coordinates.

    so i just need help with configuring the UBLOX for a one shot interupt, meaning that a cordinate is only given when the module is interupted.

    here is the picture of the UBLOX module

    Name:  lea4p_roHS.jpg
Views: 1085
Size:  8.4 KB

    and this is how the final project will be made

    Name:  defaultnav.JPG
Views: 1250
Size:  38.1 KB

    some documentation of the module

    LEA-4H_Prod_Summary(GPS.G4-MS4-05018).pdf

    if you need more follow this link http://www.u-blox.com/products/lea_4h.html

    IM AT YOUR MERCY


    Why not get the serial data of the gps processed by the pic, so you control what is sent by your pic-program?

    Just a thought...

  3. #3
    Newbie
    Join Date
    Nov 2006
    Posts
    2
    I have thought about it, PROBLEM, the power consumption would never lessen as the system would always be on.
    so if i interupt the system, then, i can allow the pic and the gps module to be on sleep, until the pic receives an interupt from the gsm module and hence also interupting the gps, and consiquently giving me a position

    after a couple of seconds, they would again go back to sleep mode.

    I AM STILL AT YOUR MERCY


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