#include #include const char* SSID = "smartroom"; const char* PSK = "smarthome"; const char* MQTT_BROKER = "192.168.4.1"; WiFiClient espClient; PubSubClient client(espClient); long lastMsg = 0; char msg[50]; int value = 0; void setup() { Serial.begin(115200); setup_wifi(); client.setServer(MQTT_BROKER, 1883); } void setup_wifi() { delay(10); Serial.println(); Serial.print("Connecting to "); Serial.println(SSID); WiFi.mode(WIFI_STA); 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()); } void reconnect() { while (!client.connected()) { Serial.print("Reconnecting..."); if (!client.connect("ESP8266Client")) { Serial.print("failed, rc="); Serial.print(client.state()); Serial.println(" retrying in 5 seconds"); delay(5000); } } } void loop() { if (!client.connected()) { reconnect(); } client.loop(); snprintf (msg, 50, "Alive since %ld milliseconds", millis()); Serial.print("Publish message: "); Serial.println(msg); client.publish("/home/data", "Hello asdf World"); delay(5000); }