int capteur_force_m = 0; 
int capteur_force_d = 1; 
#include <Servo.h>

Servo myservo;  
int pos = 120;   
int lecture_m;
int lecture_d;  

void setup(void) {
Serial.begin(9600); 
myservo.attach(9);  
myservo.write(pos);                   
}

void loop(void) {
  lecture_m = analogRead(capteur_force_m);
  lecture_d = analogRead(capteur_force_d);

  Serial.println(lecture_m);
  Serial.println(lecture_d);
  Serial.println(pos);
  
  delay(100); 

  if(lecture_m > lecture_d && lecture_m > 40){
    pos = pos + 5;
  };
  if(lecture_d > lecture_m && lecture_d > 40){
    pos = pos - 5;
  }; 
  if(pos>180){
    pos = 180;
  };
  if(pos<40){
    pos = 90;
  };
  myservo.write(pos);
}