 
     analogWrite(AMOTOR, motor_speed[0]);
     analogWrite(BMOTOR, motor_speed[1]);
-  
 }
 void move_reverse(){
     digitalWrite(DIR_A, LOW);

          switch(input){
            
            case 'w':

              if(command_status == 1){
                //move_forward();
                variable_forward();

                                    ROBOT LAYOUT LEVEL 1
                                    
                                        BACK
                                        SENSOR 1 ARD 1
                      -------------------------------------------
                     |                                           |
                     |    BUTTON 2    BUTTON 1      ARD 1        |
