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Arduino Uno R3 or Arduino Mega 2560?

Discussion in 'Microcontrollers, Programming and IoT' started by Spike124, Aug 29, 2015.

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  1. Spike124

    Spike124

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    Aug 11, 2015
    I'm still building my mind controlled robot car & now can't decide whether to use Arduino Uno R3 or Arduino Mega 2560 or whether I should (or could) use both!! It's 4wheel drive, so I've bought a motor shield, but I also want to be able to change it from mind controlled to infra red. I also would like to install a lcd screen. Ive got a BFD-1000 line following sensor on it & am putting a ping sensor on. Could someone advise me the best route please or am I just over complicating things & trying to run before I walk? Thanks
     
  2. bigone5500

    bigone5500

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    Apr 9, 2014
    I will take a shot at saying go with the Mega. You will have many more pins to work with therefore giving you much more expansion room in the future. Shields for the UNO will also fit on the Mega.

    However, your setup may need two controllers. I think you can interface two Arduinos in order to exchange information, supply sensor feedback, etc. But I am pretty new to this stuff too. This is just a bit of speculation.

    I now have a total of $.98
     
    Spike124 likes this.
  3. Spike124

    Spike124

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    Aug 11, 2015
    I am actually glad that you said about using 2 controllers because I've had the idea of using the uno AND the mega & making this one KICK ASS robot that does everything apart from make you breakfast! Lol!
     
  4. bigone5500

    bigone5500

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    Apr 9, 2014
    Keep us informed and if you feel like it, start a project log here.
     
  5. Fish4Fun

    Fish4Fun So long, and Thanks for all the Fish!

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    Aug 27, 2013
    Spike124....I would suggest using MEGA2560s unless there is some good reason not to.....from my perspective there isn't enough cost difference to separate them and the 2560 has massive resources compared to the UNO....some might argue that the 2560 has a few "quirks" that can cause problems for noobees....but from my perspective there are plenty of "quirks" to the AVR core regardless, and you might as well sort them all out at once.....If the $6 price difference or the slightly larger board are problematic in your final build and you don't need the extra resources then you can always "downsize" the actual embedded boards...but for the prototyping phase I would go with the big boy...:)

    Fish
     
  6. bigone5500

    bigone5500

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    Apr 9, 2014
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