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SV: [basicstamps] Establish connection between BS2 and mobile pho ne

ArchiverArchiver Posts: 46,084
edited 2003-01-22 17:43 in General Discussion
Greetings!

I would suggest buying the Siemens Data cable since that will give you the
correct plugs and a normal 9pin DB connection.
(You may need a driver chip for the correct voltages, though)

:-)
Trygve


Opprinnelig melding
Fra: jolincsy <jolincsy@y...> [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=HHX48lQ8JMG71LGM_Esnm8zF22AZP1bv2kh7AUJqQR6qjCI64R8Nxoqgr9O8Rq4lU_cvE3OECmQkXxrl-A]jolincsy@y...[/url
Sendt: 3. januar 2003 02:16
Til: basicstamps@yahoogroups.com
Emne: [noparse][[/noparse]basicstamps] Establish connection between BS2 and mobile phone


I would like to construct a connection between BS2 and my mobile
phone, I am using siemens S35i, and as your information, mobile phone
is a kind of air modem which transmit signal wirelessly.
Nnow that I would like to use AT command to send SMS via BS2
which is link to the mobile phone, may be the application is just
similiar to what is done by using cemetek modem.
But cemetek modem needs only TxD and RxD pin connected to BS2 in
order to execute AT command but in turns, how mobile phone should be
CONNECTED to BS2? this is a big problem that I need to solve before I
could execute AT command.
Please help me in this matter by providing any information or
possible solution from you all, I would greatly appreciating all
informations or suggestions !


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Comments

  • ArchiverArchiver Posts: 46,084
    edited 2003-01-09 12:28
    Thanks for your information, but what do you mean by driver chip for the
    correct voltages and how could I utilize it?
    Trygve Henriksen <trygve.henriksen@v...> wrote: Greetings!

    I would suggest buying the Siemens Data cable since that will give you the
    correct plugs and a normal 9pin DB connection.
    (You may need a driver chip for the correct voltages, though)

    :-)
    Trygve


    Opprinnelig melding
    Fra: jolincsy [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=KwzmIzihinBTw76gXxOk8_OJtIbOjOfaWxuhWPXH5JqecsSmmkqdx_Kfb3xgM72b_TjzeoSd9aCyjw]jolincsy@y...[/url
    Sendt: 3. januar 2003 02:16
    Til: basicstamps@yahoogroups.com
    Emne: [noparse][[/noparse]basicstamps] Establish connection between BS2 and mobile phone


    I would like to construct a connection between BS2 and my mobile
    phone, I am using siemens S35i, and as your information, mobile phone
    is a kind of air modem which transmit signal wirelessly.
    Nnow that I would like to use AT command to send SMS via BS2
    which is link to the mobile phone, may be the application is just
    similiar to what is done by using cemetek modem.
    But cemetek modem needs only TxD and RxD pin connected to BS2 in
    order to execute AT command but in turns, how mobile phone should be
    CONNECTED to BS2? this is a big problem that I need to solve before I
    could execute AT command.
    Please help me in this matter by providing any information or
    possible solution from you all, I would greatly appreciating all
    informations or suggestions !


    To UNSUBSCRIBE, just send mail to:
    basicstamps-unsubscribe@yahoogroups.com
    from the same email address that you subscribed. Text in the Subject and
    Body of the message will be ignored.


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    With Yahoo! Mail you can get a bigger mailbox -- choose a size that fits your
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    [noparse][[/noparse]Non-text portions of this message have been removed]
  • ArchiverArchiver Posts: 46,084
    edited 2003-01-13 00:59
    you just need to buy the data cable.
    I have such a chip that you could purchase for US$150.

    --- In basicstamps@yahoogroups.com, choi jolin <jolincsy@y...> wrote:
    >
    > Thanks for your information, but what do you mean by driver chip
    for the correct voltages and how could I utilize it?
    > Trygve Henriksen trygve.henriksen@v... wrote: Greetings!
    >
    > I would suggest buying the Siemens Data cable since that will give
    you the
    > correct plugs and a normal 9pin DB connection.
    > (You may need a driver chip for the correct voltages, though)
    >
    > :-)
    > Trygve
    >
    >
    >
    >
    Opprinnelig melding
    > Fra: jolincsy [noparse][[/noparse]mailto:jolincsy@y...]
    > Sendt: 3. januar 2003 02:16
    > Til: basicstamps@yahoogroups.com
    > Emne: [noparse][[/noparse]basicstamps] Establish connection between BS2 and mobile
    phone
    >
    >
    > I would like to construct a connection between BS2 and my mobile
    > phone, I am using siemens S35i, and as your information, mobile
    phone
    > is a kind of air modem which transmit signal wirelessly.
    > Nnow that I would like to use AT command to send SMS via BS2
    > which is link to the mobile phone, may be the application is just
    > similiar to what is done by using cemetek modem.
    > But cemetek modem needs only TxD and RxD pin connected to BS2 in
    > order to execute AT command but in turns, how mobile phone should
    be
    > CONNECTED to BS2? this is a big problem that I need to solve before
    I
    > could execute AT command.
    > Please help me in this matter by providing any information or
    > possible solution from you all, I would greatly appreciating all
    > informations or suggestions !
    >
    >
    > To UNSUBSCRIBE, just send mail to:
    > basicstamps-unsubscribe@yahoogroups.com
    > from the same email address that you subscribed. Text in the
    Subject and
    > Body of the message will be ignored.
    >
    >
    > Your use of Yahoo! Groups is subject to
    http://docs.yahoo.com/info/terms/
    >
    >
    > To UNSUBSCRIBE, just send mail to:
    > basicstamps-unsubscribe@yahoogroups.com
    > from the same email address that you subscribed. Text in the
    Subject and Body of the message will be ignored.
    >
    >
    > Your use of Yahoo! Groups is subject to
    http://docs.yahoo.com/info/terms/
    >
    >
    >
    >
    >
    >
    > With Yahoo! Mail you can get a bigger mailbox -- choose a size that
    fits your needs
    >
    >
    > [noparse][[/noparse]Non-text portions of this message have been removed]
  • ArchiverArchiver Posts: 46,084
    edited 2003-01-22 17:15
    I use my basic stamp as an inerface between a gps and my mobile
    phone. Signaling into the stamp is normally no problem, you can
    connect the in-wire direct to the in-pin you choose. Just put a 20k
    resistor in between to get the signal right and protect the stamp.
    Signalling out from the stamp is another issue. The voltage levels
    coming from the stamp I/O pins is considerably lower than those
    standardized in the rs232 serial interface. Sometimes connecting a
    gadget directly from the stamp works, sometimes not. I had some
    problems getting the phone to react to at commands, but since size is
    no issue in my project I finally connected the phone to the serial
    port on my demo board (the one used for programming the stamp) and
    voil
  • ArchiverArchiver Posts: 46,084
    edited 2003-01-22 17:43
    johan_y_andersson wrote:


    > gadget directly from the stamp works, sometimes not. I had some
    > problems getting the phone to react to at commands, but since size is


    I thought "at" commmands were only for modems... is this a
    feature of your particular mobile phone or do they all support
    them? How about celluar phones - anybody know?

    Michael Burr
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