initial commit

2021-04-23 22:51:21 -06:00 · 2021-04-23 22:51:21 -06:00 · e512288451
commit e512288451
1 changed files with 62 additions and 0 deletions
--- a/homie-dht11.ino
+++ b/homie-dht11.ino
@ -0,0 +1,62 @@
+#include <Homie.h>
+#include <DHTesp.h>
+
+const int DHT_PIN = 2;
+const int READ_INTERVAL = 3000;
+unsigned long lastReadingSent = 0;
+
+
+DHTesp dht;
+HomieNode temperatureNode("temperature", "Temperature", "temperature");
+HomieNode humidityNode("humidity", "Humidity", "humidity");
+HomieNode comfort("comfort", "Comfort", "comfort");
+
+void loopHandler() {
+  if (millis() - lastReadingSent >= READ_INTERVAL) {
+    float humidity = dht.getHumidity();
+    float temperature = dht.getTemperature();
+    float dewPoint = dht.computeDewPoint(temperature, humidity);
+    float absHumidity = dht.computeAbsoluteHumidity(temperature, humidity);
+    
+    Homie.getLogger() << "Temperature: " << temperature << " °C" << endl;
+    Homie.getLogger() << "Relative Humidity: " << humidity << "%" << endl;
+    Homie.getLogger() << "Dew Point: " << dewPoint << " °C" << endl;
+    Homie.getLogger() << "Absolute Humidity: " << absHumidity << "g/m³" << endl;
+    
+    temperatureNode.setProperty("temp").send(String(temperature));
+    humidityNode.setProperty("rh").send(String(humidity));
+    humidityNode.setProperty("dewpoint").send(String(dewPoint));
+    humidityNode.setProperty("abshumidity").send(String(absHumidity));
+    
+    lastReadingSent = millis();
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  Serial << endl << endl;
+  Homie_setFirmware("awesome-dht11", "1.0.0");
+  Homie.setLoopFunction(loopHandler);
+
+  temperatureNode.advertise("temp").setName("Temperature")
+                                      .setDatatype("float")
+                                      .setUnit("ºC");
+  
+  humidityNode.advertise("rh").setName("Relative Humidity")
+                              .setDatatype("float")
+                              .setUnit("%");
+ 
+  humidityNode.advertise("dewpoint").setName("Dew Point")
+                                    .setDatatype("float")
+                                    .setUnit("ºC");
+
+  humidityNode.advertise("abshumidity").setName("Absolute")
+                                    .setDatatype("float")
+                                    .setUnit("g/m³");                          
+  Homie.setup();
+  dht.setup(DHT_PIN, DHTesp::DHT11);
+}
+
+void loop() {
+  Homie.loop();
+}