In this tutorial, we will build an ESP32 web server using ESP-IDF that will display DHT22 sensor readings. The DHT22 sensor is a widely used sensor to obtain temperature and humidity readings. The web server will act as a weather station by displaying temperature and humidity readings on the web page which will update after … Read more
In this ESP-IDF project, we will learn to publish DHT22 sensor readings to Node-Red with ESP32 MQTT. We will perform MQTT communication with ESP32 and Node-Red and publish and subscribe to MQTT topics. The ESP32 development board will act as an MQTT publisher and Node-Red will act as a subscriber. Using MQTT protocol, the ESP32 … Read more
In this tutorial, we will learn about DHT22, which is a widely used sensor to obtain current temperature and humidity readings using ESP32 and ESP-IDF. This guide will include a brief description of the sensor, connection with ESP32 board and then setting up a project in VS Code with ESP-IDF extension to acquire the sensor … Read more