#include SoftwareSerial mySerial(-1,2); int ledPin = 7; // LED connected to digital pin 13 int inPin = 5; // pushbutton connected to digital pin 7 int val = 0; // variable to store the read value void setup() { mySerial.begin(9600); pinMode(ledPin, OUTPUT); pinMode(inPin, INPUT); } void loop() { val = digitalRead(inPin); // read the input pin digitalWrite(ledPin, val); mySerial.println(val); delay(100); }