Midroom 2
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230
ESP_Midroom2/src/main.cpp
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230
ESP_Midroom2/src/main.cpp
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#include <Arduino.h>
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#include <Adafruit_AHTX0.h>
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#include <ArduinoOTA.h>
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#include <Ticker.h>
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#include <ESP8266WiFi.h>
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#include <ESPAsyncTCP.h>
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#include <ESPAsyncWebServer.h>
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#include <WebSerial.h>
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#include <ESP8266WiFiMulti.h>
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#include <ESP_EEPROM.h>
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#include <PubSubClient.h>
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#define WIFI_SSID "wf-home"
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#define WIFI_PASSWORD "0ndthnrf"
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#define WIFI_SSID2 "BR"
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#define WIFI_PASSWORD2 "499727479o"
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#define MQTT_SERV "192.168.1.111"
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#define TOPIC "home/midroom/bed/"
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#define HOSTNAME "ESP_Midroom2"
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#define LED_WF (D0)
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#define LED_MQ (D4)
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#define LED_WRK (D3)
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#define LAMP_OUT (D5)
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Adafruit_AHTX0 aht;
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sensors_event_t humidity, temp;
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float temp_out, hum_out;
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WiFiClient espClient;
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PubSubClient client(espClient);
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WiFiEventHandler wifiConnectHandler;
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WiFiEventHandler wifiDisconnectHandler;
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Ticker wifiReconnectTimer;
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void connectToWifi();
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void connectToMqtt();
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void onWifiConnect(const WiFiEventStationModeGotIP& event);
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void onWifiDisconnect(const WiFiEventStationModeDisconnected& event);
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void callback(char* topic, byte* payload, unsigned int length);
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void reconnect();
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unsigned long stled;
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float wMins = 0;
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bool led, aht_pesent;
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uint8_t led_intense;
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ESP8266WiFiMulti wifiMulti;
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AsyncWebServer server(80);
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void setup() {
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Serial.begin(9600);
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WiFi.mode(WIFI_STA);
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WiFi.persistent(false);
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WiFi.hostname(HOSTNAME);
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wifiMulti.addAP(WIFI_SSID, WIFI_PASSWORD);
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wifiMulti.addAP(WIFI_SSID2, WIFI_PASSWORD2);
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client.setServer(MQTT_SERV, 1883);
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client.setCallback(callback);
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client.setKeepAlive(20);
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ArduinoOTA.onStart([]() {
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Serial.println("ArduinoOTA start");
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});
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ArduinoOTA.onEnd([]() {
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Serial.println("\nArduinoOTA end");
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});
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ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
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Serial.printf("OTA Progress: %u%%\r", (progress / (total / 100)));
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});
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ArduinoOTA.onError([](ota_error_t error) {
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Serial.printf("Error[%u]: ", error);
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if (error == OTA_AUTH_ERROR) {
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Serial.println("Auth Failed");
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} else if (error == OTA_BEGIN_ERROR) {
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Serial.println("Begin Failed");
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} else if (error == OTA_CONNECT_ERROR) {
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Serial.println("Connect Failed");
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} else if (error == OTA_RECEIVE_ERROR) {
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Serial.println("Receive Failed");
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} else if (error == OTA_END_ERROR) {
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Serial.println("End Failed");
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}
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});
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ArduinoOTA.begin();
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wifiConnectHandler = WiFi.onStationModeGotIP(onWifiConnect);
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wifiDisconnectHandler = WiFi.onStationModeDisconnected(onWifiDisconnect);
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pinMode(LED_WF, OUTPUT);
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pinMode(LED_MQ, OUTPUT);
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pinMode(LED_WRK, OUTPUT);
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pinMode(LAMP_OUT, OUTPUT);
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if (! aht.begin()) {
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Serial.println("Could not find AHT? Check wiring");
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aht_pesent = false;
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} else{
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if(aht.getEvent(&humidity, &temp)){
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temp_out += (temp.temperature- temp_out) * 0.1;
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hum_out += (humidity.relative_humidity - hum_out) * 0.1;
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}
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aht_pesent = true;
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}
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EEPROM.begin(4);
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EEPROM.get(0, led_intense);
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Serial.print("Led intense: ");
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Serial.println(int(led_intense / 2.55));
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connectToWifi();
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stled = millis();
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WebSerial.begin(&server);
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/* Attach Message Callback */
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server.begin();
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}
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void loop() {
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static unsigned long cRun = millis();
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static byte bSecs = 0;
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char v[10];
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ArduinoOTA.handle();
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if(!client.connected()) reconnect();
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client.loop();
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if(stled + 300 < millis()){
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digitalWrite(LED_WRK, HIGH);
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}
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if(cRun + 1000 <= millis()){
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cRun = millis();
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Serial.println(bSecs);
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if(aht_pesent && aht.getEvent(&humidity, &temp)){
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temp_out += (temp.temperature- temp_out) * 0.1;
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hum_out += (humidity.relative_humidity - hum_out) * 0.1;
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WebSerial.print("Temp: ");
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WebSerial.print(temp.temperature);
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WebSerial.print(", Hum: ");
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WebSerial.println(humidity.relative_humidity);
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if(bSecs == 59){
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bSecs = 0;
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digitalWrite(LED_WRK, LOW);
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sprintf(v, "%.1f", temp_out);
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client.publish(TOPIC"tempout", v);
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sprintf(v, "%.1f", hum_out);
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client.publish(TOPIC"humout", v);
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}
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}
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if((bSecs % 30) == 0){
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wMins += 0.5;
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Serial.println("halfMinTick");
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sprintf(v, "%.1f", wMins);
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digitalWrite(LED_WRK, LOW);
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client.publish(TOPIC"wmins", v);
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}
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bSecs++;
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}
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}
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void connectToWifi() {
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Serial.println("Connecting to Wi-Fi...");
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wifiMulti.run();
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//WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
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}
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void onWifiConnect(const WiFiEventStationModeGotIP& event) {
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Serial.println("Connected to Wi-Fi.");
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Serial.print("IP: ");
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Serial.println(WiFi.localIP());
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digitalWrite(LED_WF, HIGH);
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}
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void onWifiDisconnect(const WiFiEventStationModeDisconnected& event) {
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Serial.println("Disconnected from Wi-Fi.");
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client.disconnect();
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wifiReconnectTimer.once(2, connectToWifi);
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digitalWrite(LED_WF, LOW);
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}
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void callback(char* topic, byte* payload, unsigned int length) {
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Serial.print("Message arrived [");
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Serial.print(topic);
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Serial.print("] ");
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char val[4];
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int i;
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for (i = 0; i < length && i < 3; i++) {
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val[i] = (char)payload[i];
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}
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Serial.println(val);
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val[i] = 0;
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if(strcmp(topic, TOPIC"light") == 0){
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if(atoi(val) == 0){
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analogWrite(LAMP_OUT, 0);
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led = false;
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}
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else{
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analogWrite(LAMP_OUT, led_intense);
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led = true;
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}
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}
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if(strcmp(topic, TOPIC"ledint") == 0){
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led_intense = int(atoi(val) * 2.55);
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EEPROM.put(0, led_intense);
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EEPROM.commit();
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if (led) analogWrite(LAMP_OUT, led_intense);
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}
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}
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void reconnect() {
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// Loop until we're reconnected
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while (!client.connected()) {
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digitalWrite(LED_MQ, LOW);
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Serial.print("Attempting MQTT connection...");
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// Attempt to connect
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if (client.connect(HOSTNAME)) {
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Serial.println("connected");
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char v[4];
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client.publish(TOPIC"ledint", itoa(int(led_intense / 2.55), v, 10));
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client.publish(TOPIC"light", led ? "1" : "0");
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client.subscribe(TOPIC"light");
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client.subscribe(TOPIC"ledint");
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} else {
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Serial.print("failed, rc=");
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Serial.print(client.state());
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Serial.println(" try again in 1 seconds");
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// Wait 1 seconds before retrying
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delay(1000);
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}
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}
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digitalWrite(LED_MQ, HIGH);
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}
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