#include <Arduino.h>
#include <LiquidCrystal.h>
#include <Servo.h>

Servo servo_10;
Servo servo_9;
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

unsigned long previousMillis = 0;
unsigned long previous2Millis = 0;

const long interval = 3000;
const long interval2 = 1000;

void write_angle_lcd(int pos){
	lcd.setCursor(0, 1);
	lcd.print(pos);
	lcd.print(" ");
}
void setup() {

  servo_9.attach(9);
  servo_10.attach(10);
  lcd.begin(16, 2);
	lcd.print("SERVO ANGLE");
	lcd.setCursor(0, 1);
}

void loop() {
  unsigned long currentMillis = millis();
  if (currentMillis - previousMillis >= interval) {
    if (servo_10.read() < 90) {
      servo_10.write(1750);
    } else {
      servo_10.write(17);
    }  
    previousMillis = currentMillis; //previousMillis needs to be updated. (not in your original code)

    
     
	
	write_angle_lcd(servo_10.read());
	
	
	}

  if (currentMillis - previous2Millis >= interval2) {
    if (servo_9.read() < 90) {
      servo_9.write(180);
    } else {
      servo_9.write(30);
    }
    previous2Millis = currentMillis; //previousMillis needs to be updated. (not in your original code)
    
  }
}