The sensor checks temperature and humidity in real-time using Wi-Fi. It is simple to set up and works well in homes, farms, ...

To that end, I connected a DHT11 temperature/humidity sensor to a NodeMCU board to act ... Second, it needs to support MQTT well, and be properly documented so that I can implement it on a wide ...

When [Elixir of Progress] was looking at setting up environmental sensors around their home to keep track of temperature ... to treat these MQTT topics as sensors. With each sensor’s location ...

an LM35 temperature sensor, and the MQTT protocol. The system captures ambient temperature data and transmits it to an MQTT broker, which then forwards the information to a smartphone app for ...