First Commit

Arduino.ino

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+/* fenster-helligkeits-sensor */
+
+#include <ESP8266WiFi.h>
+#include <PubSubClient.h>
+
+const char* SSID = "";
+const char* PSK = "";
+const char* MQTT_BROKER = "";
+const char* MQTT_USER = "";
+const char* MQTT_PASS = "";
+
+int pin_fenster_left = 13;
+int pin_fenster_right = 12;
+
+int pin_fenster_left_status = 2;
+int pin_fenster_right_status = 2;
+int last_send_helligkeits_sensor = 0;
+
+int loop_since_last_send_helligkeitssensor = 0; //Loop run ~every secound, count to 2 minutes
+
+WiFiClient espClient;
+PubSubClient client(espClient);
+
+void setup() {
+  //Turn Status LED On (while connecting)
+  pinMode(LED_BUILTIN, OUTPUT);
+  digitalWrite(LED_BUILTIN, LOW);
+
+  //Pin mode for hall-sensor
+  pinMode(pin_fenster_right, INPUT);
+  pinMode(pin_fenster_left, INPUT);
+
+  //Serial Console for Debug Infos
+  Serial.begin(115200);
+
+  //Connecting to WiFi
+  Serial.println();
+  Serial.print("Connecting to ");
+  Serial.println(SSID);
+
+  WiFi.begin(SSID, PSK);
+
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+
+  Serial.println("");
+  Serial.println("WiFi connected");
+  Serial.println("IP address: ");
+  Serial.println(WiFi.localIP());
+
+  //Setup MQTT Broker Connection
+  client.setServer(MQTT_BROKER, 1883);
+
+  //Turn Status LED Off
+  digitalWrite(LED_BUILTIN, HIGH);
+
+}
+
+//Reconnect to MQTT Broker if connection failed
+void reconnect() {
+  while (!client.connected()) {
+    // Turn Status LED on while connecting
+    digitalWrite(LED_BUILTIN, LOW);
+    //Reconnecting
+    Serial.print("Reconnecting...");
+    if (!client.connect("ESP8266Client-Fenster-Helligkeits-Sensor", MQTT_USER, MQTT_PASS, "/sensor/fenster/status", 1, true, "0")) {
+      Serial.print("failed, rc=");
+      Serial.print(client.state());
+      Serial.println(" retrying in 5 seconds");
+      delay(5000);
+    }
+  }
+  client.publish("/sensor/fenster/status", "1", true);
+  digitalWrite(LED_BUILTIN, HIGH);
+}
+void loop() {
+  //Check MQTT Connection
+  if (!client.connected()) {
+    reconnect();
+  }
+  //Loop MQTT Connection
+  client.loop();
+
+  //Check if window left status changed
+  if(pin_fenster_left_status != digitalRead(pin_fenster_left)) {
+    //Convert Value to char array
+    char cc[6];
+    String(digitalRead(pin_fenster_left)).toCharArray(cc, 6);
+    //Send value to mqtt
+    client.publish("/sensor/fenster-links/value", cc, true);
+    //Set last value to current value
+    pin_fenster_left_status = digitalRead(pin_fenster_left);
+  }
+
+  //Check if window right status changed
+  if(pin_fenster_right_status != digitalRead(pin_fenster_right)) {
+    //Convert Value to char array
+    char cc[6];
+    String(digitalRead(pin_fenster_right)).toCharArray(cc, 6);
+    //Send value to mqtt
+    client.publish("/sensor/fenster-rechts/value", cc, true);
+    //Set last value to current value
+    pin_fenster_right_status = digitalRead(pin_fenster_right);
+  }
+
+
+  //Get Helligkeitssensor
+  int sensorValue = analogRead(A0);
+  int outputValue = map(sensorValue, 0, 1024, 0, 255);
+  int dif = outputValue - last_send_helligkeits_sensor;
+
+  if(dif > 15 || dif < -15 || loop_since_last_send_helligkeitssensor > 300) {
+    char cc[6];
+    String(outputValue).toCharArray(cc, 6);
+    client.publish("/sensor/helligkeit/1/value", cc, true);
+    //Set last value to current value
+    last_send_helligkeits_sensor = outputValue;
+    //Set loop since count to 0, so the next regular message will be send in 5 minutes
+    loop_since_last_send_helligkeitssensor = 0;
+  }
+
+  loop_since_last_send_helligkeitssensor = loop_since_last_send_helligkeitssensor + 1;
+  delay(1000);
+
+}

Readme.md

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+# Fenster - Helligkeits sensor
+Wemos Projekt um 2 Hall Sensoren und einen Photowiederstand ausließt.
+
+![Schaltplan](docs/Schaltplan.png)
+
+# Lochraster Platine
+
+![Platine 1](docs/20191109_181219.jpg)
+![Platine 2](docs/20191109_181224.jpg)
+![Platine 3](docs/20191109_181239.jpg)