const int RedLed=13;  //define pin 13
const int YellowLed=14; //define pin 14
const int GreenLed=15; //define pin 15

void setup(){
  pinMode(RedLed, OUTPUT);
  pinMode(YellowLed, OUTPUT);      //define pinmodes
  pinMode(GreenLed, OUTPUT);
}
void loop(){
   digitalWrite(RedLed,HIGH);      //Turn on LED
  delay(100);                     //delay for 1 second
  digitalWrite(RedLed,LOW);        //Turn off LED                   
  delay(100); //delay for 1 second
  digitalWrite(YellowLed,HIGH);
  delay(100);
  digitalWrite(YellowLed,LOW);
  delay(100);
  digitalWrite(GreenLed,HIGH);
  delay(100);
  digitalWrite(GreenLed,LOW);
  delay(100); 
}
esp:VIN
esp:GND.2
esp:D13
esp:D12
esp:D14
esp:D27
esp:D26
esp:D25
esp:D33
esp:D32
esp:D35
esp:D34
esp:VN
esp:VP
esp:EN
esp:3V3
esp:GND.1
esp:D15
esp:D2
esp:D4
esp:RX2
esp:TX2
esp:D5
esp:D18
esp:D19
esp:D21
esp:RX0
esp:TX0
esp:D22
esp:D23
led1:A
led1:C
led2:A
led2:C
led3:A
led3:C
r1:1
r1:2
r3:1
r3:2
r4:1
r4:2