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Author Topic: Arduino compatibility Rev3 + TFT touch + GPRS  (Read 372 times)
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Hi @all,

I am new to arduino and wanted to ask if I can run a Arduino Uno Rev3 with a GPRS-Shield + a TFT touch display stacked on it.

Are those components compatible?

http://www.seeedstudio.com/depot/-p-779:67d96d458abdef21792e6d8e590244e7.html

http://www.seeedstudio.com/depot/-p-864:1fc214004c9481e4c8073e85323bfd4b.html

http://www.seeedstudio.com/depot/-p-694:5487315b1286f907165907aa8fc96619.html

Thanks a lot,
SuperBaguette
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Gosport, UK
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Check the pin usages:

http://www.seeedstudio.com/wiki/GPRS_Shield_V1.0#Pins_usage_on_Arduino

http://www.seeedstudio.com/wiki/2.8%27%27_TFT_Touch_Shield_V1.0#Pins_usage_on_Arduino

They both use pin 9, and potentially both use 7 and 8, depending on whether you use hardware or software serial.
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 smiley-roll   smiley-cry

Thanks for your answer. Is there a "work-around" ?

Maybe another version of the arduino board can support both shields?  like arduino mega?
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The mega might work, but you will need to get an touch LCD that works with the megas higher pins 18-53, and the GPRS could use the regular pins. keep in mind the height of the shields you put on. They may not be able to both go on without some modifications.
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Created Libraries:
NPV2 (NewPasswordV2),  TFT_Extension, OneWireKeypad, SerialServo.
Will provide libraries if asked in PM or forum.

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