Does Cerbuino have I2C on Socket 3?

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1

The wiki lists the pins 7&9 as I2C 1 but the socket is not listed as an I.
Is this because an I socket should be on pins 8&9?

Can it be used as for I2C if i just use the right pins7 & 9?

2

Yes, it is not marked as I because I2C lines are not on pins 8,9, but you can use I2C on 7 and 9.

3

i’m confused on how to use socket with an extender module for I2C.
do i just need to set up the bus in advance with something like this

I2CBus i2cbus = new I2CBus(GT.Socket.GetSocket(3, false, extender, null), 0x50, 400, extender);

wil this make any i2c devices i setup use this bus automatically and use the pins specified in the wiki?