#include<Servo.h>
Servo servo;

int position = 90;

void setup() {
    pinMode(7, INPUT_PULLUP);   //up
    pinMode(6, INPUT_PULLUP);   //down
    servo.attach(10);
}

void loop() {
    if(digitalRead(7) == LOW && position < 120){ //if pressed nozzle goes up
        position += 1;
    } else if(digitalRead(6) == LOW && position > 60){ //if pressed nozzle goes down
        position -= 1;
    }
    servo.write(position);
    delay(30);
    
}