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int cou = 0;
void setup() {
pinMode(2,INPUT_PULLUP);
pinMode(13,OUTPUT);
Serial.begin(9600);
}
void loop() {
bool val = digitalRead(2);
if (val == 0) {
cou = cou + 1;
digitalWrite(13,1);
Serial.print(cou);
Serial.println(" ON");
delay(250);
}
if (val == 1) {
digitalWrite(13,0);
Serial.print(cou);
Serial.println(" OFF");
}
}