- #include <SoftwareSerial.h>
- SoftwareSerial mySerial(3, 2); // RX, TX
- void setup() {
- // Open serial communications and wait for port to open:
- Serial.begin(9600);
- while (!Serial) {
- ; // wait for serial port to connect. Needed for native USB port only
- }
- Serial.println("Goodnight moon!");
- // set the data rate for the SoftwareSerial port
- mySerial.begin(9600);
- mySerial.println("Hello, world?");
- }
- void loop() { // run over and over
- if (mySerial.available()) {
- Serial.write(mySerial.read());
- }
- if (Serial.available()) {
- mySerial.write(Serial.read());
- }
- }
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