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Question: what are the major differences on the r1 and r3, and if I can run r3 sketches on r1?
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Author Topic: Arduino uno R1 and Arduino uno R3 Questions  (Read 2212 times)
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circuitsguy
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« on: May 07, 2012, 11:19:15 pm »
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Hey guys,

     I'm new to arduino and just bought an uno r1, I'm wondering about the differences between the uno r1 and uno r3. Can I run uno r3 sketches on uno r1? And is there any big differences? This will really help. Thanks!  smiley-lol
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spycatcher2k
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« Reply #1 on: May 08, 2012, 05:25:48 am »
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Consider them the same - Minor differences on design - but totally the same functionally.
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Drew.
(MyPCB MANUFACTURING SERVICE)
Duemilanove - UNO - Leonardo - Mega 1280 - Mega 2560 - Pro
& Way too many custom boards.

CrossRoads
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« Reply #2 on: May 08, 2012, 03:27:25 pm »
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All differences are explained here, grasshopper:

http://arduino.cc/en/Main/ArduinoBoardUno

Biggest change is the extra diode from reset pin to +5V, supposed to keep reset from causing lockups.
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Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at  www.crossroadsfencing.com/BobuinoRev17

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