how to connect i2c

Good morning,
for my project I have to connect 10 industruino (for now I have bought two to test the system) of which one master and the other slaves. I wanted to connect them with i2c.
I have seen that the SDA and SCL outputs are the D2 and D3 of the expansion port. How can I connect? do you have an example of a sketch?
I also have two ethernet modules
thank you

Stefano Bani
Stefano Bani
| 2 1 2
Asked on 11/28/18, 11:59 AM

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Asked: 11/28/18, 11:59 AM
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Last updated: 11/28/18, 11:59 AM