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Arduino.ino
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Arduino.ino
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/* fenster-helligkeits-sensor */
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#include <ESP8266WiFi.h>
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#include <PubSubClient.h>
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const char* SSID = "";
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const char* PSK = "";
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const char* MQTT_BROKER = "";
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const char* MQTT_USER = "";
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const char* MQTT_PASS = "";
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int pin_fenster_left = 13;
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int pin_fenster_right = 12;
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int pin_fenster_left_status = 2;
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int pin_fenster_right_status = 2;
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int last_send_helligkeits_sensor = 0;
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int loop_since_last_send_helligkeitssensor = 0; //Loop run ~every secound, count to 2 minutes
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WiFiClient espClient;
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PubSubClient client(espClient);
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void setup() {
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//Turn Status LED On (while connecting)
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, LOW);
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//Pin mode for hall-sensor
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pinMode(pin_fenster_right, INPUT);
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pinMode(pin_fenster_left, INPUT);
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//Serial Console for Debug Infos
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Serial.begin(115200);
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//Connecting to WiFi
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Serial.println();
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Serial.print("Connecting to ");
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Serial.println(SSID);
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WiFi.begin(SSID, PSK);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("");
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Serial.println("WiFi connected");
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Serial.println("IP address: ");
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Serial.println(WiFi.localIP());
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//Setup MQTT Broker Connection
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client.setServer(MQTT_BROKER, 1883);
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//Turn Status LED Off
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digitalWrite(LED_BUILTIN, HIGH);
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}
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//Reconnect to MQTT Broker if connection failed
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void reconnect() {
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while (!client.connected()) {
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// Turn Status LED on while connecting
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digitalWrite(LED_BUILTIN, LOW);
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//Reconnecting
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Serial.print("Reconnecting...");
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if (!client.connect("ESP8266Client-Fenster-Helligkeits-Sensor", MQTT_USER, MQTT_PASS, "/sensor/fenster/status", 1, true, "0")) {
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Serial.print("failed, rc=");
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Serial.print(client.state());
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Serial.println(" retrying in 5 seconds");
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delay(5000);
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}
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}
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client.publish("/sensor/fenster/status", "1", true);
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digitalWrite(LED_BUILTIN, HIGH);
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}
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void loop() {
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//Check MQTT Connection
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if (!client.connected()) {
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reconnect();
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}
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//Loop MQTT Connection
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client.loop();
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//Check if window left status changed
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if(pin_fenster_left_status != digitalRead(pin_fenster_left)) {
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//Convert Value to char array
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char cc[6];
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String(digitalRead(pin_fenster_left)).toCharArray(cc, 6);
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//Send value to mqtt
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client.publish("/sensor/fenster-links/value", cc, true);
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//Set last value to current value
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pin_fenster_left_status = digitalRead(pin_fenster_left);
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}
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//Check if window right status changed
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if(pin_fenster_right_status != digitalRead(pin_fenster_right)) {
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//Convert Value to char array
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char cc[6];
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String(digitalRead(pin_fenster_right)).toCharArray(cc, 6);
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//Send value to mqtt
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client.publish("/sensor/fenster-rechts/value", cc, true);
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//Set last value to current value
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pin_fenster_right_status = digitalRead(pin_fenster_right);
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}
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//Get Helligkeitssensor
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int sensorValue = analogRead(A0);
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int outputValue = map(sensorValue, 0, 1024, 0, 255);
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int dif = outputValue - last_send_helligkeits_sensor;
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if(dif > 15 || dif < -15 || loop_since_last_send_helligkeitssensor > 300) {
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char cc[6];
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String(outputValue).toCharArray(cc, 6);
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client.publish("/sensor/helligkeit/1/value", cc, true);
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//Set last value to current value
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last_send_helligkeits_sensor = outputValue;
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//Set loop since count to 0, so the next regular message will be send in 5 minutes
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loop_since_last_send_helligkeitssensor = 0;
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}
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loop_since_last_send_helligkeitssensor = loop_since_last_send_helligkeitssensor + 1;
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delay(1000);
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}
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10
Readme.md
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10
Readme.md
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# Fenster - Helligkeits sensor
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Wemos Projekt um 2 Hall Sensoren und einen Photowiederstand ausließt.
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![Schaltplan](docs/Schaltplan.png)
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# Lochraster Platine
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![Platine 1](docs/20191109_181219.jpg)
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![Platine 2](docs/20191109_181224.jpg)
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![Platine 3](docs/20191109_181239.jpg)
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docs/20191109_181219.jpg
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docs/20191109_181219.jpg
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docs/20191109_181224.jpg
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docs/20191109_181224.jpg
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docs/20191109_181239.jpg
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docs/20191109_181239.jpg
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docs/Schaltplan.png
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docs/Schaltplan.png
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