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Connection of BS2 to USART — Parallax Forums

Connection of BS2 to USART

ArchiverArchiver Posts: 46,084
edited 2003-02-24 15:57 in General Discussion
I want to establish connection of mobile phone to Basic stamp.My
mobile phone could only execute AT command in 19200,8,n,1,none flow
control but basic stamp could allow the most 9600,8,n,1,none flow
control.
So could I add in a USART to "blaugh" the basic stamp that my
phone is actually working in 9600 baud?so that the AT command could
be send to Basic Stamp and thus enable my phone to send SMS?

I am desperately wanting the information regarding the above
matter, I would be much appreciating any information from you all,
thanks!

Comments

  • ArchiverArchiver Posts: 46,084
    edited 2003-02-24 14:06
    The BASIC Stamp is perfectly capable to serial comms at 19.2 kBaud, with or
    without flow control. You may need an invertor before connecting to your
    phone, but you certainly don't need to insert a second USART.

    -- Jon Williams
    -- Parallax


    In a message dated 2/23/2003 11:51:09 PM Central Standard Time,
    jolincsy@y... writes:

    > I want to establish connection of mobile phone to Basic stamp.My
    > mobile phone could only execute AT command in 19200,8,n,1,none flow
    > control but basic stamp could allow the most 9600,8,n,1,none flow
    > control.
    > So could I add in a USART to "blaugh" the basic stamp that my
    > phone is actually working in 9600 baud?so that the AT command could
    > be send to Basic Stamp and thus enable my phone to send SMS?
    >
    > I am desperately wanting the information regarding the above
    > matter, I would be much appreciating any information from you all,
    > thanks!



    [noparse][[/noparse]Non-text portions of this message have been removed]
  • ArchiverArchiver Posts: 46,084
    edited 2003-02-24 15:57
    THANKS! But what is the use of the inverter in the baud rate modification
    between Basic Stamp2 and mobile phone?And how it works? Thanks!
    jonwms@a... wrote:The BASIC Stamp is perfectly capable to serial comms at
    19.2 kBaud, with or
    without flow control. You may need an invertor before connecting to your
    phone, but you certainly don't need to insert a second USART.

    -- Jon Williams
    -- Parallax


    In a message dated 2/23/2003 11:51:09 PM Central Standard Time,
    jolincsy@y... writes:

    > I want to establish connection of mobile phone to Basic stamp.My
    > mobile phone could only execute AT command in 19200,8,n,1,none flow
    > control but basic stamp could allow the most 9600,8,n,1,none flow
    > control.
    > So could I add in a USART to "blaugh" the basic stamp that my
    > phone is actually working in 9600 baud?so that the AT command could
    > be send to Basic Stamp and thus enable my phone to send SMS?
    >
    > I am desperately wanting the information regarding the above
    > matter, I would be much appreciating any information from you all,
    > thanks!



    [noparse][[/noparse]Non-text portions of this message have been removed]


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