forum.hwkitchen.cz

Kód: Vybrat vše

void setup() {
  Serial.begin(115200);
  pinMode(13, OUTPUT);
  Serial.println(F("Enter three numbers to calculate how many seconds"));
  Serial.println(F("the LED will blink for"));
  Serial.println(F("first # + second # x third #"));
  String str;
  int first, second, third;
  Serial.println(F("Enter the first number:"));
  while (1) {
    if (Serial.available() > 0) {
      str = Serial.readStringUntil('\n');
      first = str.toInt();
      break;
    }
  }
  Serial.println(first);
  Serial.println(F("Enter the second number:"));
  while (1) {
    if (Serial.available() > 0) {
      str = Serial.readStringUntil('\n');
      second = str.toInt();
      break;
    }
  }
  Serial.println(second);
  Serial.println(F("Enter the third number:"));
  while (1) {
    if (Serial.available() > 0) {
      str = Serial.readStringUntil('\n');
      third = str.toInt();
      break;
    }
  }
  Serial.println(third);
  Serial.print(String(first) + " + " + String(second) + " x " + String(third) + " = ");
  int res = first + second * third;
  Serial.println(res);
  Serial.print(F("The LED should stay on for "));
  Serial.print(res);
  Serial.println(F(" seconds"));
  digitalWrite(13, HIGH);
  Serial.println("LED on at: " + String (millis()));
  delay(res * 1000);
  digitalWrite(13, LOW);
  Serial.println("LED off at: " + String (millis()));
}

void loop() {

}