Publish_and_Subscribe_MQTT_ESP32

This project is Publishing Humidity and Temperature DHT22 sensor and Controlling LED using Node-RED and ESP32
I adopted Tutorial from Rui Santos in https://randomnerdtutorials.com/esp32-mqtt-publish-subscribe-arduino-ide/

For MQTT broker used Mosquitto

Hardware :

1. PC with installed Ubuntu OS, Node-RED, and Mosquitto MQTT Broker
2. DOIT ESP32

Software :

1. Arduino IDE
2. Node-RED
3. Node-RED Dashboard
4. Mosquitto MQTT Broker

for library PubSubClient you can download in https://github.com/knolleary/pubsubclient/archive/master.zip