![]() ![]() It’s different from the read() because in subsequent calls, it returns the same character. SoftwareSerial.peek() – returns a character received on the software serial port. If no data is available to read, then it returns -1. SoftwareSerial.read() – returns a character received on the software serial port. Serial.println(“Port One is listening!”) If the requested port is active, the method returns True. SoftwareSerial.isListening() – used to test if the requested software serial port is listening for the incoming data or not. While a port is selected to listen for the serial data, incoming data from other software serial ports are also discarded. When a port is selected to listen, it means the data has already arrived at the software serial ports and is rejected. Only one software serial port can be selected at a time. SoftwareSerial.listen() – used to select a port to listen for incoming data. SoftwareSerial.available() – returns the number of bytes available to read from the software serial port. The baud rate is in bits-per-second (bps). The method only takes one argument that’s the baud rate for the software serial communication. It must be called after creating a software serial instance. SoftwareSerial.begin() – sets the baud rate for the software serial communication. ![]() By default, the inverse_logic parameter is set to “False.” If set to “True,” then the logical LOW at the RxPin is treated as bit 1 and the logical HIGH at the RxPin is treated as bit 0.
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