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Does anybody know where to find an updated scematics of Arduino Nano V3? All the Nano drawings I found (even in the Arduino official site) are based on ATMEGA 168 , no one including ATMEGA 328!!!

Thanks

Mike

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migrated from electronics.stackexchange.com Dec 8 '14 at 17:59

This question came from our site for electronics and electrical engineering professionals, students, and enthusiasts.
    
arduino.cc/en/uploads/Main/ArduinoNano30Schematic.pdf – Roger Rowland Dec 8 '14 at 10:33
    
@RogerRowland - The OP is trying to find schematic that shows with an ATMEGA 328 as opposed to the ATMEGA 168 which he stated right in his question. – Michael Karas Dec 8 '14 at 12:28
    
@MichaelKaras Ahh, sorry, misunderstood and just looked at the V3 bit. – Roger Rowland Dec 8 '14 at 12:29
    
Use the Nano schematic as a reference, and replace the 168 with the 328 from the UNO schematic. The only thing that would change is which pins you're connected to. If you're building this yourself, I'd also steal the hardware reset functionality from the UNO – darudude Dec 8 '14 at 15:37
4  
I think the developers just were lazy, and didn't bother changing the 168 with a 328 in the schematic. Since the pinouts are identical, it doesn't really matter. – Gerben Dec 8 '14 at 20:24
up vote 1 down vote

Go for the manufacturer of this board website i.e. www.gravitech.us. You can get the eagle files and all the data you need. Alternatively, you can download the eagle file of nanov3 directly using this link: http://site.gravitech.us/Arduino/NANO30/ArduinoNano30_Eagle.zip

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Also IIRC there's a ground connection that was inadvertently left off the FTDI chip in the published schematics that should be reconnected. – Patrick Tudor Jan 16 '15 at 4:45
3  
The real issue is that the question is based on an insignificant distinction - no board changes are involved in using a 328p in place of a 168. – Chris Stratton Jan 17 '15 at 21:18

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