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• 15:15, 25 September 2026 CogWikiEditor talk contribs created page IPDL - 14: Temperature Publishing Using MQTT / RESTful APIs (Created page with "= ESP32 DHT11 MQTT Temperature Publishing = == Objective == To develop a basic IoT system in which an ESP32 reads ambient temperature and humidity from a DHT11 sensor and publishes the sensor data to an MQTT broker over Wi-Fi. The experiment uses the public Eclipse Mosquitto MQTT broker '''test.mosquitto.org'''. The ESP32 publishes the sensor readings to a specific MQTT topic, and a computer can receive the published data using the Mosquitto subscriber command-line to...")