Replace speaker with buzzer

smoker.ino

@@ -48,6 +48,9 @@ Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
 Queue tempQueue;
 
 void setup() {
+  pinMode(SPEAKER_PIN, OUTPUT);
+  digitalWrite(SPEAKER_PIN, LOW);
+
   //Serial.begin(9600);
   if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
     //Serial.println(F("SSD1306 allocation failed"));
@@ -117,12 +120,15 @@ void updateRelay(){
     int second = millis() % 1000;
     if (alarmState == 0 and second < 100) {
       alarmState = 1;
-      tone(SPEAKER_PIN, 440, 400);
-    }
-    if(alarmState == 1 and second > 500 and second < 600){
+      digitalWrite(SPEAKER_PIN, HIGH);
+    } else if (alarmState == 1 and second > 500 and second < 600) {
       alarmState = 0;
-      tone(SPEAKER_PIN, 554, 400);
+      digitalWrite(SPEAKER_PIN, LOW);
+    } else if (alarmState == -1) {
+      digitalWrite(SPEAKER_PIN, LOW);
     }
+  } else {
+    digitalWrite(SPEAKER_PIN, LOW);
   }
 }