Virtuino MQTT Connection for Ethernet modules W5100, W5500 & ENC28J60

How Virtuino can communicate with an Ethernet module W5100, W5500 or ENC28J60 using the public MQTT broker HiveMQ.

a. How connect the Arduino board an MQTT broker

b. How create a simple Virtuino MQTT project

Arduino code: https://virtuino.com/downloads/examples/virtuino_mqtt_HiveMQ_public_ethernet.zip

MQTT library: https://github.com/knolleary/pubsubclient