#include <SoftPWM.h>

#define DELAY 100

int leds[5] = {2, 3, 4, 5, 6};        // Pin using


void setup()
{
  SoftPWMBegin();

  for (int i = 0; i < 5; i++)
    SoftPWMSet(leds[i], 0);

  SoftPWMSetFadeTime(ALL, 50, 400);
}

void loop()
{
  int i;

  for (i = 0; i < 5; i++)
  {
    SoftPWMSet(leds[i+1], 255);
    SoftPWMSet(leds[i], 0);
    delay(DELAY);
  }

  delay(400);

}