Servo motor control with Node MCU

               Code 

#include <Servo.h>
	Servo servo;
	void setup() {
	servo.attach(5); //D1
	servo.write(0);
	delay(2000);
	}
	void loop() {
	servo.write(90);
	delay(1000);
	servo.write(0);
	delay(1000);
	}