ESP8266 Serial Communication, ESP8266 Applications, Arduino IDE , Communicating with computers, Communicating with microcontrollers, Communicating with industrial machines, Serial Monitor, Controlling and monitoring an LED Today we will talk about an extremely powerful tool in the use of microcontrollers. The Serial communication, specifically the USART (Universal Synchronous Asynchronous Receiver Transmitter) standard. The system works using two wires. RX (Receiver) and TX (Transmitter), connecting two devices. Th ...