#include <Servo.h>

// constant variables used to set servo angles, in degrees
const int straight = 90; 
const int divergent = 110;

// constant variables holding the ids of the pins we are using
const int buttonpinA = 8;
const int servopinA = 9;
const int buttonpinB = 6;
const int servopinB = 7;

// servo movement step delay, in milliseconds
const int step_delay = 70;

// create a servo object
Servo myservoA;
Servo myservoB;
 
// global variables to store servo position
int pos = straight; // current
int old_pos = pos; // previous
void loop()
{
    int button_state = digitalRead(buttonpinA);
    if(button_state == HIGH){
        old_pos = pos;
        pos = pos == straight ? divergent: straight;
        if(old_pos < pos){
            for(int i = old_pos + 1; i <= pos; i++){
                myservoA.write(i);
                delay(step_delay);
        }
        }else {
            for(int i = old_pos - 1; i >= pos; i--){
                myservoA.write(i);
                delay(step_delay);
            }
        }
void loop()    
    int button_state = digitalRead(buttonpinB);
    if(button_state == HIGH){
        old_pos = pos;
        pos = pos == straight ? divergent: straight;
        if(old_pos < pos){
            for(int i = old_pos + 1; i <= pos; i++){
                myservoB.write(i);
                delay(step_delay);
            
        }
        }else {
            for(int i = old_pos - 1; i >= pos; i--){
                myservoB.write(i);
                delay(step_delay);
                
            }
        }
    }
}}// end of loop