2. First Steps
I2C, a serial communication interface and protocol, establishes the physical connections and data frame for the exchange of bits between two digital devices. SDA and SCL, two communication wires, are present at the port. Additionally, the protocol for 127 slave devices to be connected over these two lines at rates of up to 100, 400, and 1000 kbit/s. The Two Wire Interface, or IIC, is another name for it.
One of the most popular protocols for connecting to digital sensors is I2C since, unlike Serial ports, it has features including allowing data confirmation inside the same frame.
One of the key benefits is the ability to link so many devices to a single bus. In addition, I2C has more bits in its communication frame than other serial protocols like Serial TTL, enabling it to send messages that are more comprehensive and informative.
Along with the information byte, messages delivered via an I2C connection also contain addresses for the register and the sensor. The gadget will always confirm that it has received the information you have supplied. This makes it important to distinguish between the many components of this kind of communication.
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