I know there are tons of projects that use WIFI or simple LAN shields to send sensor data from the Arduino as Twitter messages. How could this work with a mobile phone connection? Are there libraries or handware layers that enable TCP via GSM or GPRS? If not with Twitter, could I email the data or send to other APIs which would be HTTP requests?
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4 Answers
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You can get a gsm/gprs module from sparkfun. It looks like that'd be pretty easy to get going. You would, of course, need data service to run it.
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I connected an Arduino to a Telit GM862 (GPRS/GPS) module. It's a breadboard setup but I know that shields are coming for these modules. There is a bit of code the lets you connect to twitter via GPRS. Not really a library but maybe a starting point. http://tinkerlog.com/2009/05/15/interfacing-arduino-with-a-telit-gm862/
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Along with what Dustin stated take a look at Arduino Twitter Examples for possible ideas or inspiration.
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I found a shield that uses a virtual serial port to communicate to the modem. I think the store is from Chile, here is the link Arduino GM862 Shield.
