WiFiClient espClient; PubSubClient client(espClient);
unsigned long lastSend = 0;
// Replace with your network const char* ssid = "YOUR_SSID"; const char* password = "YOUR_PASS"; acome iot for pc
// MQTT const char* mqtt_server = "192.168.1.100"; // or cloud broker const int mqtt_port = 1883; const char* topic = "acome/device1/data"; unsigned long lastSend = 0
if (millis() - lastSend > 5000) { lastSend = millis(); // Example sensor reading (replace with real sensor) int sensorVal = analogRead(34); char msg[50]; snprintf(msg, 50, "{\"sensor\": %d}", sensorVal); client.publish(topic, msg); Serial.println(msg); } } const char* password = "YOUR_PASS"
void loop() { if (!client.connected()) { reconnect(); } client.loop();