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:
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
- Wire Library, accessed 7 Mar 2020