                      mySerial.println("\nDesliga Motor");                     
                      Serial.println("\nDesliga Motor");
                      pwm_value = 25;
-                     pwmWrite(motorleft, pwm_value);  // Maximum Speed  // pwmWrite(led, DUTY * 256 / 100);  // 
+                     pwmWrite(motorleft, pwm_value);  
                      
                      digitalWrite(13, LOW);    // turn the LED off by making the voltage LOW
                  }

  if(success)     digitalWrite(13, HIGH);    
  else            digitalWrite(13, LOW);
  
  pwmWrite(motorleft, pwm_value);  // Maximum Speed  // pwmWrite(led, DUTY * 256 / 100);  // 
  delay(5000);    // Time to turn motors on with low throtle 
  digitalWrite(13, LOW);



#include <PWM.h>

int32_t frequency = 100;    //frequency (in Hz)
uint8_t pwm_value = 25;     // pwm_value  = Motor Stopped   :  Pulse Widh = 1ns
long duration, distance;
