I2C Communication Between Arduino Unos

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This page refers to using two Arduino Unos that can communicate to each other using I2C protocols.

Connection

Connecting the Arduino Unos:

Connecting The Arduino Unos

Pin Connection Table

Arduino Uno 1 Arduino Uno 2
5V VIN
GND GND
analogue pin A4 analogue pin A4
analogue pin A5 analogue pin A5

References

  1. Wire Library, accessed 7 Mar 2020

See Also

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