#include <Servo.h>

Servo sailservo;		// assign servo for sail
Servo rudderservo;		// assign servo for rudder
int sailstate = 90;		// assign start position for sail
int rudderstate = 90;	// assign start position for rudder
int pos1 = 90;			// assign start position for sailservo
int pos2 = 90;			// assign start position for rudderservo
void setup() {
  rudderservo.attach(9);	// assign sailservo to digital pin 9
  sailservo.attach(10);		// assign rudderservo to digital pin 10	
}
void loop() {
    if(digitalRead(4) || digitalRead(5) == HIGH){	// check if pin 4 or 5 is HIGH
      sailcheck();									// if 4 or 5 is HIGH go to sailcheck function
    }
     if(digitalRead(6) || digitalRead(7) == HIGH){	// check if pin 6 or 7 is HIGH
      ruddercheck();								// if 6 or 7 is HIGH go to ruddercheck function
     }
    else											// else put rudder start position(90 degres)
    rudderstate = 90;
    rudderservo.write(rudderstate);
      }
void sailcheck() {											// sailcheck function
  if(digitalRead(4) == HIGH) sailstate = sailstate + 10;	// if pin 4 is HIGH add 10 degres to sailservo position
  if(digitalRead(5) == HIGH) sailstate = sailstate - 10;	// if pin 5 is HIGH remove 10 degres to sailservo position
  if (sailstate >= 180) sailstate = 180;					// maximum position 180
  if (sailstate <= 0) sailstate = 0;						// minimum position 00
  pos1 = sailstate;
  sailservo.write(pos1);
  delay(150);												// 150 ms delay
}
void ruddercheck() {											// ruddercheck function
  if(digitalRead(6) == HIGH) rudderstate = rudderstate + 15;	// if pin 6 is HIGH add 15 degres to rudderservo position
  if(digitalRead(7) == HIGH) rudderstate = rudderstate - 15;	// if pin 7 is HIGH remove 15 degres to rudderservo position	
  if (rudderstate >= 180) rudderstate = 180;					// maximum rudder position 180
  if (rudderstate <= 0) rudderstate = 0;						// minimum rudder position 00
  rudderservo.write(rudderstate);
  delay(75);												// 75 ms delay
}