   if(success)     digitalWrite(13, HIGH);    
   else            digitalWrite(13, LOW);
   
-  pwmWrite(motorleft, pwm_value);  // Maximum Speed  // pwmWrite(led, DUTY * 256 / 100);  // 
+  pwmWrite(motorleft, pwm_value);   // pwmWrite(pin, DUTY * 255 / 100);  
+                                    // Can use pwm_values between 30 (min speed) to 58 (max speed) 
+                                    // minimum value to turn on motor is 41, then it can be reduced up to 30
+  
   delay(5000);    // Time to turn motors on with low throtle 
   digitalWrite(13, LOW);
 

                     mySerial.println("\nLiga Motor");
                     Serial.println("\nLiga Motor");                    
                     pwm_value = 45;
                     pwmWrite(motorleft, pwm_value);  // Maximum Speed  // pwmWrite(led, DUTY * 256 / 100);  // 

                      
                     delay(10000);              // wait for a second


#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;
