In the setup () function, Arduino’s serial port is initialized to a 9600 baud rate and a message is printed on the serial port to convey that the GPS modem is connected to the software serial port. It is the best software serial implementation and should be used instead of the default SoftwareSerial where possible. The Arduino sketch begins by importing the softwareSerial library. SoftwareSerial is convenient and is fairly flexible but it is not the best software serial choice.ĪltSoftSerial was written by Paul Stoffregen the creator of the Teensy range of boards. What is the fastest you can get reliable communication? In my own experiments 38400 is the fastest I been able to get 100% error free communication and this was only when the Arduino wasn’t doing much else. Try using softwareSerial with different baud rates. Start the connection and set the baud rate Requires the pin numbers used for RX and TX. Initiate an instance of the SoftwareSerial class.
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