czj/sketch_jan17a.ino

void setup() {
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, INPUT);
  // put your setup code here, to run once:

}
int i;
bool a;
void loop() {
  digitalWrite(5, HIGH);

  if(digitalRead(6)==HIGH&&a==false){
    for(i=0;i<10;i++){
      digitalWrite(2, HIGH);
      delayMicroseconds(525);
      digitalWrite(2, LOW);
      delayMicroseconds(19475);
    }
    a=true;
    digitalWrite(4, LOW);
    digitalWrite(3, HIGH);
  }
  else if(digitalRead(6)==HIGH&&a==true){
    for(i=0;i<10;i++){
      digitalWrite(2, HIGH);
      delayMicroseconds(900);
      digitalWrite(2, LOW);
      delayMicroseconds(19100);
    }
    a=false;
    digitalWrite(4, LOW);
    digitalWrite(3, HIGH);
  }
  else{
    digitalWrite(4, LOW);
    digitalWrite(3, LOW);
  }
  // put your main code here, to run repeatedly:
}