#include <SoftwareSerial.h>



SoftwareSerial sserial(31,30); // receive pin=10, transmit pin=11

const int pause= 300;

void setup() {
 Serial.begin(9600); // start serial connection
  sserial.begin(9600); // start serial connection

  pinMode(30, OUTPUT);
  pinMode(31, INPUT);
}

void loop() {
  // send 
  Serial.write(analogRead(A2));
  delay (pause);
  sserial.write(digitalRead(4)); // Tact switch (used in the corresponding tutorial) is inverted. Therefore, inverted status is sent to other Arduino
  
 
}