UART for Wi-Fi: Well documented and widely used

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UART: One fundamental interface

Universal Asynchronous Receiver Transmitter communication takes place through two mediums i.e. transmitting UART and receiving UART. The data flow is from both receiving (Rx) and transmitting (Tx) pins and only two cables are required for this purpose.


UART based communication happens asynchronously, i.e. clock or other timing signals are absent. Instead of that, UART has special start and stop bits that are added to the beginning and end of the data packet respectively. These bits assist the receiving UART in identifying the actual received data.

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