int readPush=10;
int dt =100;
int LED=7;

int LEDState=0;
int buttonNew;
int buttonOld=1;


void setup() {
  // put your setup code here, to run once:
Serial.begin (9600);
pinMode(readPush,INPUT);
pinMode(LED,OUTPUT);


}

void loop() {
  // put your main code here, to run repeatedly:
buttonNew =digitalRead(readPush);
if (buttonOld == 1 && buttonNew == 0){
    if (LEDState==0){
      digitalWrite (LED,HIGH);
     LEDState = 1;

    }
    else {
      digitalWrite (LED,LOW);
     LEDState = 0;
    }
}

Serial.println(buttonNew);
delay(dt);

}