int16_t dot=200;
int16_t dash=1000;
int16_t chufe=7;
void setup() {
pinMode(chufe, OUTPUT);

}

void loop() {
digitalWrite(chufe, HIGH);
delay(dot);
digitalWrite(chufe, LOW);
delay(dot);
digitalWrite(chufe, HIGH);
delay(dot);
digitalWrite(chufe, LOW);
delay(dot);
digitalWrite(chufe, HIGH);
delay(dot);
digitalWrite(chufe, LOW);
delay(dot);

digitalWrite(chufe, HIGH);
delay(dash);
digitalWrite(chufe, LOW);
delay(dash);
digitalWrite(chufe, HIGH);
delay(dash);
digitalWrite(chufe, LOW);
delay(dash);
digitalWrite(chufe, HIGH);
delay(dash);
digitalWrite(chufe, LOW);
delay(dash);
}