Hey everyone, I just got a motor shield Rev 3 to use with my Arduino Uno that I bought a year or so ago. There seems to be more pins on the shield than there are sockets for on the Uno. What are these extra pins for, and can I use this with my Uno or not? See attached image where I have circled the…

Motor shield pin question

CrossRoads September 13, 2012, 5:05pm 4

Those 2 pins are duplicate SCL/SDA pins. They are the same as A4/A5.

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