📋 Experiment Instructions

Objective: Simulate DHT11 sensor data transmission from ESP32 to MQTT Broker using MQTT protocol.

  1. Review the ESP32 code in the text area showing WiFi, MQTT client, and DHT11 sensor configuration.
  2. Click "Start Simulation" to establish connection with MQTT broker and begin publishing data.
  3. Observe the sensor readings and connection status changing from "Disconnected" to "Connected".
  4. Scroll down to view real-time MQTT messages being published to topics: iot/temperature and iot/humidity.
  5. Monitor the gauge charts updating with live sensor readings transmitted via MQTT protocol.
  6. Click "Stop Simulation" to disconnect from MQTT broker and halt data transmission.

💡 Note: The ESP32 publishes DHT11 sensor data every 2 seconds to the MQTT broker (mqtt.iot-server.com:1883).

interfacing

Start Simulation

After start the simulation, the data will be send to IoT server using MQTT protocol.

🌐 MQTT Broker Dashboard

📡 Broker Information

Broker Address: mqtt.iot-server.com
Port: 1883
Protocol: MQTT v3.1.1
Client ID: ESP32_DHT_Client
Status: ⚫ Disconnected

📢 Subscribed Topics

🌡️ iot/temperature
💧 iot/humidity

📨 Published Messages (Live Feed)

No messages yet. Start simulation to see published data...
🌡️ Temperature Sensor
💧 Humidity Sensor
Temperature
Humidity