1. How Virtuino MQTT can communicate with an an ESP8266 or ESP32 board using the MQTT broker shiftr.io

a. How configure Virtuino MQTT to communicate with an MQTT broker

b. How upoload sensor values to an MQTT broker from an ESP8266 or ESP32 board

c. How to send commands to enable or disable the ESP8266 pins from an Android phone using Virtuino MQTT app 

d. How communicate with the MQTT server shiftr.io

Download the example code from here: http://virtuino.com/downloads/examples/virtuinoMQTT_esp_shiftr_example.ino.zip

Download the MQTT library that you need for this example from here: https://github.com/256dpi/arduino-mqtt

You can check on your device after a successful connection here: https://shiftr.io/try.

 


2. How Virtuino MQTT can communicate with an an ESP8266 or ESP32 board using the MQTT broker Thingspeak

a. How configure Virtuino MQTT to communicate with an MQTT broker

b. How upoload sensor values to the Thingspeak MQTT broker from an ESP8266 or ESP32 board

c. How to send commands to enable or disable the ESP pins from an Android phone using Virtuino MQTT app 

d. How communicate with the MQTT server Thingspeak.com

Download the example code from here: http://virtuino.com/downloads/examples/virtuinoMQTT_esp_thingspeak_example.zip

Download the MQTT library that you need for this example from here: https://github.com/256dpi/arduino-mqtt