byte led1 = 23;
byte led2 = 22;
byte led3 = 21;
byte led4 = 19;
byte led5 = 18;
byte led6 = 5;
byte led7 = 17;
byte led8 = 16;
byte led9 = 4;
byte led10 = 2;
int tunda = 200;

void setup() {
  //put your setup code here,to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  pinMode(led6, OUTPUT);
  pinMode(led7, OUTPUT);
  pinMode(led8, OUTPUT);
  pinMode(led9, OUTPUT);
  pinMode(led10, OUTPUT);

}

void loop() {
  //put your main code here,to run repeatedly:

  digitalWrite(led1, HIGH); delay(25); //this speeds up the simulation
  digitalWrite(led2, HIGH); delay(25);
  digitalWrite(led3, HIGH); delay(25);
  digitalWrite(led4, HIGH); delay(25);
  digitalWrite(led5, HIGH); delay(25);
  digitalWrite(led6, HIGH); delay(25);
  digitalWrite(led7, HIGH); delay(25);
  digitalWrite(led8, HIGH); delay(25);
  digitalWrite(led9, HIGH); delay(25);
  digitalWrite(led10, HIGH); delay(25);
//delay(25);
  digitalWrite(led1, LOW); delay(25); //this speeds up the simulation
  digitalWrite(led2, LOW); delay(25);
  digitalWrite(led3, LOW); delay(25);
  digitalWrite(led4, LOW); delay(25);
  digitalWrite(led5, LOW); delay(25);
  digitalWrite(led6, LOW); delay(25);
  digitalWrite(led7, LOW); delay(25);
  digitalWrite(led8, LOW); delay(25);
  digitalWrite(led9, LOW); delay(25);
  digitalWrite(led10, LOW); delay(25);
//delay(100);
}