Sending temperature and humidity sensor data to a local or remote server is important for building your smart home solutions. It enables users to efficiently keep track of the climate in their homes, offices, or retail establishments, and create comfortable and conducive ambience. This is where the power of Zigbee2MQTT comes into play. In this article, we will delve into the working principle of a Zigbee2MQTT and how it is used to send Zigbee temperature and humidity sensor data to the designated servers.