IoT_Simulation

Turn the LED ON/OFF using Broker: Microcontroller ESP32 on Python (Wokwi Simulation + Hivemq Broker Client)

Run the simulation on Wokwi, publish on Broker and then see the LED turns ON/OFF

Project on Wokwi (Micropython on ESP32): https://wokwi.com/projects/329467649115292243

Broker -> option 1: Hivemq Broker Client: http://www.hivemq.com/demos/websocket-client/

Broker -> option 2: Install the app MQTT DASH on Google Play Store

Language: Portuguese

- Option 1: Hivemq Broker website config

Connection

• Host -> broker.mqttdashboard.com
• Port -> 8000
• KeepAlive -> 60
• Click on 'Connect'

Publish

• Topic: sala306/led
• QoS: 0
• Message: Digit '1' to turn the LED on // Digit '0' to turn the LED off
• Click on 'Publish'

Run the simulation on Wokwi, publish the message on Broker and then see on Wokwi project the LED turns ON/OFF

Subscriptions - Add new Topic (Optional)

• Topic: sala306/led
• QoS: 0
• Click on 'Subscribe'

Run the simulation on Wokwi, publish the message on Broker and then see on Wokwi project the LED turns ON/OFF

- Option 2: App MQTT Dash on Smartphone

Config Broker

• Click on button '+' (upper right corner of the screen)
• Name the broker
• Address: broker.hivemq.com
• Port: 1883
• Click on diskette button (upper right corner of the screen) to save

Publish (Turn ON/OFF) LED

• Click on Broker
• Click on '+' button (upper right corner of the screen)
• Choose type: 'Switch/Button'
• Name: LED
• Topic: sala306/led
• Click on diskette button (upper right corner of the screen) to save

Run the simulation on Wokwi, press the button and see on Wokwi project the LED turns ON/OFF