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Topic: i2c and use a4 for input (Read 124 times) previous topic - next topic

dariocaratto

Hi all,
i'm a newbie in arduino.
I'm using uno rev3 version and a shield that should use i2c communication.
Looking at shield (battery shield from futurashop) it seem it use  new sda and scl pin (near href) for i2c.
So can i use a4 and a5 for input? or it will be keep free for  i2c communication ?

Thanks to all in advance



Hackscribble

Hi darriocarrato

Those pins near AREF connect to pins A4 and A5.  So you can't use A4 and A5 for I2C and something else.

Regards

Ray
Hackscribble.  Writing about making things.
arduino@hackscribble.com | www.hackscribble.com

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