Is it possible to connect a 3.3v Arduino Mini Pro straight to a Raspberry Pi using the i2c pins? I've done a bunch of searching but everyone talks about connecting to a 5v Arduino with a shifter/bridge between the two. If it is possible then do you connect the SDA to SDA, SCL to SCL, GND to GND and …

Connecting a 3.3v arduino mini pro to a Raspberry Pi

sirbow2 September 24, 2012, 2:44am 2

should work if both the raspi and arduino are 3.3v

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