Connecting ESP32 with DS18B20 Sensor and Publishing Data using MQTT Protocol

The Internet of Things (IoT) has revolutionized the way we interact with devices and gather data. One of the most popular microcontrollers for IoT projects is the ESP32, thanks to its built-in Wi-Fi and Bluetooth capabilities. In this article, we’ll explore how to connect an ESP32 to a DS18B20 temperature sensor and publish the temperature data using the MQTT protocol. Components Required ESP32 Development Board: A powerful microcontroller with Wi-Fi and Bluetooth capabilities.