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Send DHT11 temperature/humidity data using MQTT

The following tutorial show you how you can send temperature and humidity data measured by DHT11 sensor connected to a nodeMCU / ESP8266 board with MQTT message. The messages are displayed in the WEB MQTT interactive MQTT web client dashboard with the gauge and chart UI elements. https://rundebugrepeat.com/webmqtt/ The following DHT11 library used: https://github.com/adafruit/DHT-sensor-library Source …

WEB MQTT – NodeMCU / ESP8266

The following video will shows how to control nodeMCU / ESP8266 with MQTT messages. In this first example I will control the builtin LED of the module with mqtt messages. The messages ar sent from the dashboard with buttons and a switch with pre-defined “on” and “off” messages. https://rundebugrepeat.com/webmqtt/ source code for the arduino code:

WEB MQTT – Switches

In this tutorial I want to show you how you can use switches to send messages like “On” or “Off” , “High” and “Low”, 0 and 1 etc. In this tutorial I will send messages with switch and use other two button, with a pre-defined “ON” and “OFF” messages to control the switch. https://rundebugrepeat.com/webmqtt/ After …

WEB MQTT – First UI elements

In this short tutorial you will learn how you can UI element, like labels, buttons to the interactive dashboard and how to send pre-defined message with the button element. To show the message I will use an other MQTT desktop client, the MQTT.fx desktop client. WARNING! You have to connect to the same broker and …

WEB MQTT – Create and connect Client

To use the MQTT websocket click on the following link https://rundebugrepeat.com/webmqtt/ To connect to an MQTT broker at first you have to create a new client, click on the add new client button. The following form will appear for client creation The following fields are required to add a new client: Client name: A name …