Initial, very basic version of Kitchen PIR

OutsideTempSensor.cpp.txt

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+/*
+Send the DHT11 Measured Temperature via MQTT
+*/
+
+#include <Arduino.h>
+#include <WiFi.h>
+#include <PubSubClient.h>
+#include <ArduinoJson.h>
+#include "DHTesp.h"
+
+
+// Update these with values suitable for your network.
+
+const char* ssid = "JoNelsDarlings";
+const char* password = "Paris2016";
+const char* mqtt_server = "mqtt.ddns.kawomi.com";
+
+DHTesp dht;
+WiFiClient espClient;
+PubSubClient client(espClient);
+unsigned long lastMsg = 0;
+#define MSG_BUFFER_SIZE	(50)
+char msg[MSG_BUFFER_SIZE];
+
+void setup_wifi() {
+
+  delay(10);
+  // We start by connecting to a WiFi network
+  Serial.println();
+  Serial.print("Connecting to ");
+  Serial.println(ssid);
+
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(ssid, password);
+
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+
+  randomSeed(micros());
+
+  Serial.println("");
+  Serial.println("WiFi connected");
+  Serial.println("IP address: ");
+  Serial.println(WiFi.localIP());
+}
+
+
+void reconnect() {
+  // Loop until we're reconnected
+  while (!client.connected()) {
+    Serial.print("Attempting MQTT connection...");
+    // Create a random client ID
+    String clientId = "ESP32Client-";
+    clientId += String(random(0xffff), HEX);
+    // Attempt to connect
+    if (client.connect(clientId.c_str())) {
+      Serial.println("MQTT connected");
+      // Once connected, publish an announcement...
+    } else {
+      Serial.print("MQTT failed, rc=");
+      Serial.print(client.state());
+      Serial.println(" try again in 5 seconds");
+      // Wait 5 seconds before retrying
+      delay(5000);
+    }
+  }
+}
+
+void setup() {
+  pinMode(BUILTIN_LED, OUTPUT);     // Initialize the BUILTIN_LED pin as an output
+  Serial.begin(115200);
+  setup_wifi();
+  dht.setup(5, DHTesp::DHT11); 
+  client.setServer(mqtt_server, 1883);
+//  client.setCallback(callback);
+}
+
+void loop() {
+
+  if (!client.connected()) {
+    reconnect();
+  }
+  client.loop();
+
+  delay(5000);
+  digitalWrite(BUILTIN_LED,HIGH);
+  delay(1000);
+  digitalWrite(BUILTIN_LED,LOW);
+  float humidity = dht.getHumidity();
+  float temperature = dht.getTemperature();
+
+  const char* status=dht.getStatusString();
+  if (strcmp(status,"OK") == 0) {
+    // allocate the memory for the document
+    const size_t CAPACITY = JSON_OBJECT_SIZE(3);
+    StaticJsonDocument<CAPACITY> doc;
+    
+    // create an object
+    JsonObject object = doc.to<JsonObject>();
+    object["temperatureCelsius"] = temperature;
+    object["temperatureFarenheit"] = dht.toFahrenheit(temperature);
+    object["humidity"] = humidity;
+    
+    // serialize the object and send the result to Serial
+    static char sensorStatus[150];
+    
+    serializeJson(doc, sensorStatus);
+    Serial.println(sensorStatus);
+    client.publish("Outside/Weather", sensorStatus);    
+  } else {
+    Serial.print("Error Reading Temp. ");
+    Serial.println(status);
+  }
+  
+
+}