🚌 I2C bus and Arduino

Daniil Zhuk
The serial communication protocol IIC (also called I2C - Inter-Integrated Circuits, intermicrocircuit connection) uses two bidirectional communication lines for data transmission, which are called the serial data bus SDA (Serial Data) and the clocking bus SCL (Serial Clock).

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Connection to PADI via I2C interface

Daniil Zhuk
The I2C interface, Inter-Integrated Circuit, was developed by Philips to connect devices within a single device. Now it is used everywhere for "communication" of the microcontroller and the periphery or equally equivalent controllers due to the small number of wires (2 in total) and relatively high speeds.

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I2C address of the device and how to find it

Daniil Zhuk
For connecting various modules to Arduino, for example, sensors, displays, and ADCs, it is convenient to use an I2C (Inter-Integrated Circuit) bus.

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I2C address of the device and how to find it

Daniil Zhuk
For connecting various modules to Arduino, for example, sensors, displays, and ADCs, it is convenient to use an I2C (Inter-Integrated Circuit) bus.

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💻 Caclulator on Arduino, schematics and code

Daniil Zhuk
When I learned to do window applications under windows, one of the first was a calculator. Why not try it on Arduino too.

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Connecting multiple I2C screens to Arduino

Daniil Zhuk
Imagine a task when one screen connected to the Arduino is not enough. For example, when creating an electronic lock, the information must be displayed on both sides of the door. In this case, the i2c bus is your best friend. 

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