Here I will mention three more general scenarios and detail some applications within them. The range of uses of serial communication is limited only by creativity. Data is sent, as the name implies, in a series of bits.ĮSP8266 provides us with two ports, one of them converted to USB in the NodeMCU module. But most current microcontrollers can operate asynchronously, which saves us the expense of pins. If the choice is for a synchronous connection, it may be necessary to add one or two more pins to operate as a “traffic light”. The RX of one is connected to the TX of the other. RX (Receiver) and TX (Transmitter), connecting two devices. The Serial communication, specifically the USART (Universal Synchronous Asynchronous Receiver Transmitter) standard. Today we will talk about an extremely powerful tool in the use of microcontrollers.
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