Normally the due IO pins only can stand 3.3 V, but what about the I2C? Can i use the bus with 5V? i cannot find a good documentation about the I2c specification for the due. i found this thread: http://arduino.cc/forum/index.php/topic,141237.0.html but could not find out if it is possible without …

I2C Voltage 5V or 3,3V?

bobcousins January 24, 2013, 9:15pm 3

According to my reading of the datasheet, ALL IO pins are strictly 3.3V, no exceptions

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