NODE MCU LED

int Led Pin =2;    // D4 Pin also refereed as pin no2 in Node MCU 
void setup() 
{   
    pinMode(LedPin, OUTPUT);
    Serial.begin(9600);   
}
void loop() {
digitalWrite(LedPin, HIGH); 
delay(1000); 
digitalWrite(LedPin, LOW); 
delay(1000);              
}