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Author Topic: Arduino interfacing with mobile phones  (Read 707 times)
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Kuala Lumpur, Malaysia
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Is it possible to save money to buy a GSM/GPRS modem by having a connection to a mobile phone to send AT commands? How to actually bring out their RX and TX pins in a phone (Nokia preferred)?
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i think it is quite complicated to make communication between cellphone RX/TX to Arduino RX/TX
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Have a look at http://code.google.com/p/sserial2mobile/
-- library for 'speaking' to a motorola phone by using AT commands.

I have an old SonyEricsson z600 that I was using in a project.
Using the above library, i was able to send SMS messages and read phone status etc.


Nokia phones might work - have not tested it.
However, you should try using an older phone, eg. the Motorola in the example, or an old SonyEricsson phone, as they have standard RX/TX pins in the connector.
Newer phones tend to have USB only, making them impossible (or very hard) to talk to with the arduino.

I think I read somewhere that there is Rx/Tx available on nokia phones (usually hidden behind the battery somewhere), but it may not be possible to use AT commands to talk to the phone that way.


Have fun!  smiley
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I'm sending AT commands to a RAZR with a USB Host Shield.  Google Circuitsathome RAZR.
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