Communication Protocols are a set of rules that allows the IoT devices to communicate to each other, share data.
Some common IoT protocols are: Wi-Fi, Bluetooth,, ZigBee, MODBUS, CAN, I2C, SPI, UART, USART
Wi-Fi stands for Wireless Fidelity, it is an essential protocol in IoT, which allows IoT devices to connect to the internet.
Bluetooth has low power consumption, hence it is preferred for IoT devices. it can exchange the data on smaller areas. it can work as master-slave, beacons and can create mesh network as well.
ZigBee is a low-cost, low-power solution, with ability to create mesh networks, its based on open standard and provides a complete IoT solution.
Modbus protocol is used to enable connectivity between IoT devices, sensors and controllers over the ethernet.
CAN stands for Controller Area Network Bus, it's a serial communication protocol that allows exchange of data efficiently in a reliable way.
I2C stands for Inter Integrated Controller, specifically used for low speed devices, it's a serial communication protocol.
SPI is a synchronous serial communication protocol used for short distance communication
UART is an abbreviation for Universal Asynchronous Receiver Transmitter, its a two wire serial communication protocol
USART stands for universal synchronous/asynchronous receiver/transmitter, it's also a serial communication that can be configured to work synchronously or asynchronously
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