Adding serial output for enhanced understanding.

Author: aentinger

examples/Threading_Basics/Thermostat/TemperatureControl_LivingRoom.inot

@@ -5,6 +5,7 @@ int const LIVING_ROOM_HEATING_RELAY_PIN = 3;
 
 void setup()
 {
+  Serial.begin(9600);
   pinMode(LIVING_ROOM_HEATING_RELAY_PIN, OUTPUT);
 }
 
@@ -16,7 +17,13 @@ void loop()
    * on the heating.
    */
   if (current_temperature_deg < 22.0f)
+  {
     digitalWrite(LIVING_ROOM_HEATING_RELAY_PIN, HIGH);
+    Serial.println("Living Room: Heating ON");
+  }
   else
+  {
     digitalWrite(LIVING_ROOM_HEATING_RELAY_PIN, LOW);
+    Serial.println("Living Room: Heating OFF");
+  }
 }

examples/Threading_Basics/Thermostat/TemperatureControl_SleepingRoom.inot

@@ -1,15 +1,28 @@
 /* Define a data sink named 'temperature' of type 'float'. */
 SINK(temperature, float);
 
+int const SLEEPING_ROOM_AC_RELAY_PIN = 2;
+
 void setup()
 {
-  Serial.begin(9600);
+  pinMode(SLEEPING_ROOM_AC_RELAY_PIN, OUTPUT);
 }
 
 void loop()
 {
   float current_temperature_deg = temperature.pop();
-  Serial.print("Temperature = ");
-  Serial.print(current_temperature_deg);
-  Serial.println(" °C");
+  /* Check if the temperature reported by the thermostat is above
+   * or below 20.0 °C. If the temperature is above 20.0 °C, turn
+   * on the AC.
+   */
+  if (current_temperature_deg > 20.0f)
+  {
+    digitalWrite(SLEEPING_ROOM_AC_RELAY_PIN, HIGH);
+    Serial.println("Sleeping Room: AC ON");
+  }
+  else
+  {
+    digitalWrite(SLEEPING_ROOM_AC_RELAY_PIN, LOW);
+    Serial.println("Sleeping Room: AC OFF");
+  }
 }

examples/Threading_Basics/Thermostat/TemperatureSensorReporter.inot

@@ -1,22 +1,15 @@
 /* Define a data sink named 'temperature' of type 'float'. */
 SINK(temperature, float);
 
-int const SLEEPING_ROOM_AC_RELAY_PIN = 2;
-
 void setup()
 {
-  pinMode(SLEEPING_ROOM_AC_RELAY_PIN, OUTPUT);
+  Serial.begin(9600);
 }
 
 void loop()
 {
   float current_temperature_deg = temperature.pop();
-  /* Check if the temperature reported by the thermostat is above
-   * or below 20.0 °C. If the temperature is above 20.0 °C, turn
-   * on the AC.
-   */
-  if (current_temperature_deg > 20.0f)
-    digitalWrite(SLEEPING_ROOM_AC_RELAY_PIN, HIGH);
-  else
-    digitalWrite(SLEEPING_ROOM_AC_RELAY_PIN, LOW);
+  Serial.print("Temperature = ");
+  Serial.print(current_temperature_deg);
+  Serial.println(" °C");
 }