Which AVR Micro Controller Should I use

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I have a Industrial Project requirement to build up a device having functionality:

    1. Dispense Liquid
    2. Store Data (ID Number probably a storage device)
    3. Send Data to Web Server
    4. Be placed in remote Village (device to be placed under scorching sun)
    5. Sensors - flow, level, solenoid valve and a couple of more
    6. A Graphical Dashboard
    7. RFID authentication (offline - based upon a logic)
    8. Buzzer

 

and maybe a couple of more.

 

Would AVR MCU be fit for above functionality for industrial project - if so which board , controller I should choose?

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Last Edited: Sat. Oct 11, 2014 - 11:13 AM
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You could do that with a large mega AVR or an Xmega or an AVR32-UC3 or a Cortex ARM. 

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Can you please let me know if Arduino Mega Board would also stand as an option - as per document it has ATmega1280 controller. Which set of controllers comes under Xmega controllers?

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As a mega1280 is a "large mega AVR" then I don't see why not.

Which set of controllers comes under Xmega controllers?

The ones who's model number starts "atxmega....". Xmega are just a small step up from tiny ("attiny...") and mega ("atmga...") but are notable because they tend to have more complex peripherals, can run fast but be warned they are all 3.3V - there are no 5V devices.