#define NEAR 15 //cm
task main(){
 SetSensorLowspeed(IN_3);
 while(true){
   long startTick = CurrentTick();
   int distance = SensorUS(IN_3);
   long endTick = CurrentTick();
   ClearScreen();
   TextOut(0, 0, "distance: " + NumToStr(distance));
   TextOut(0, 16, "time: " + NumToStr(endTick - startTick));
   Wait(400);
 }
}