How to connect ESP8266 to secure MQTT broker?

How to connect ESP8266 to secure MQTT broker?

So in the main sensor_to_flespi_mqtts.ino we connect the ESP8266 board to a Wi-Fi network in the setup () function and implement the logic in main loop () function: check the connection to MQTT broker, get temperature value from the sensor, and publish it to the broker. Here is the test with live MQTT client on flespi.com:

What can you do with MQTT in IoT?

By using MQTT you can send commands to control outputs, read and publish data from sensors and much more. Therefore, by using MQTT you can establish communication between multiple devices. Using MQTT you can send a command with a client to control output or you can read data from a sensor and publish it to a client.

How does message queue Telemetry Transport ( MQTT ) work?

Message Queue Telemetry Transport (MQTT) is a protocol that is working over the TCP/IP so you can use it to encrypt the data with TLS/SSL and to have a stable connection between clients. Broker: It is a software application that receives messages from clients, and routes the messages according to the subscriber’s demands.

How to connect MQTT over SSL with Adafruit library?

Note: to connect to MQTT broker via MQTT over SSL with Adafruit library you need to get a SHA1 fingerprint of flespi.io certificate and use it to establish a connection.

How to use Arduino ESP32 mqtts with TLS SSL?

WiFiClientSecure folder; replace the current WiFiClientSecure folder (in Arduino/hardware/espressif/esp32/libraries or refer here) by the copied WiFiClientSecure folder. – In this tutorial, I will show you how to use ESP32 MQTTS with MQTTS Mosquitto broker (TLS/SSL).

How to use ESP32 mqtts with Mosquitto broker?

– In this tutorial, I will show you how to use ESP32 MQTTS with MQTTS Mosquitto broker (TLS/SSL). – The requirement for this demo: ESP32 with a LED on it will turn On/Off when subscribing a topic ” smarthome/room1/led ” with values (0: off, 1: on).