Read push button and show led.

Read_PushButton.ino

int ledPin = 14;
int pushButton_Pin = 12;
int value = 0;

void setup() {
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);
  pinMode(pushButton_Pin, INPUT);
}

void loop() {
  
  value = digitalRead(pushButton_Pin);

  while (value) {
    value = digitalRead(pushButton_Pin);
    if (value == LOW) {
      digitalWrite(ledPin, 0);
      Serial.println("Not Found");
    } else {
      digitalWrite(ledPin, 1);
      Serial.println("Detect");
    }
  }

}