I2C protocols support multiple master slave configuration, which means using single Master Arduino we can control multiple slave devices.Īs I2C have Master-Slave configuration support so we can control multiple devices at once. Along with these two lines a pull up resistor is used to maintain both SDA and SCL line high. I2C uses two lines which are SDA and SCL. Using I2C we can connect up to 128 devices with an Arduino board over a single data line. It only uses two lines for communication and one of the most complex protocols to implement with an Arduino board. I2C also known as Inter Integrated Circuit is a communication protocol used in Arduino boards. Let’s discuss how to configure I2C protocol for multiple devices. Among all these I2C is one of the most advanced protocols used in Arduino boards. If our device does not support a specific protocol, then we have an advantage of using the other two. These protocols enhance Arduino functionality and usage over a great range of products. Arduino have multiple communication protocols such as Serial USART, SPI and I2C. While building Arduino projects communication plays a major role. Arduino is an electronic board built for designing projects.
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