// void setup() {
//   // put your setup code here, to run once:
//   Serial.begin(115200);
//   Serial.println("Hello, ESP32!");
// }

// void loop() {
//   // put your main code here, to run repeatedly:
//   delay(10); // this speeds up the simulation
// }
void setup()
{
    // Set the pins as outputs
    pinMode(4, OUTPUT);

}

long ms4 = 1000;
long Old_Time = 0;
bool status = false;
long aa=0;

void loop()
{

    // status (4)
    if (millis() - Old_Time > ms4)
    {

        digitalWrite(4, status);
        status = !status;
        Old_Time = millis();
           aa++;
    }
 
    Serial.print("MAMon"+aa);


}