This tutorial shows how to interface DHT11/DHT22 temperature and humidity sensors with Raspberry Pi Pico using MicroPython. These popular sensors allow you to measure ambient temperature and relative humidity with a single data wire, making them ideal for weather stations, environmental monitoring, and home automation projects. First, we will learn to interface DHT22 with Raspberry … Read more
In this tutorial, we will learn how to interface DHT22 temperature and humidity sensor with STM32 Nucleo and program it in STM32CubeIDE using HAL libraries. At first, we will briefly introduce you to DHT22 sensor, then interface it with our STM32 and program it for temperature and humidity measurement using STMCube IDE. For demonstration, we … Read more
In this tutorial, we will learn how to interface DHT22 temperature and humidity sensor with STM32 Blue Pill and program it in STM32CubeIDE using HAL libraries. At first, we will briefly introduce you to DHT22 sensor, then interface it with our STM32 and program it for temperature and humidity measurement using STMCube IDE. For demonstration, … Read more
In this ESP32 ESP8266 tutorial, we will learn to use ESP MQTT as a Publisher using MicroPython and subscribe through Node-Red. There will be one ESP32/ESP8266 MQTT publisher and Node-Red subscriber. We will publish DHT11 and DHT22 sensor readings to MQTT with ESP32/ESP8266 and Node-Red Dashboard will subscribe to the MQTT topics and display sensor … Read more
In this tutorial, we will learn to publish sensor readings to Node-Red with ESP32 MQTT and Arduino IDE. We will perform MQTT communication with ESP32 and Node-Red by publishing and subscribing to MQTT topics. There will be one ESP32 MQTT publisher and Node-Red as a subscriber. We will publish DS18B20, DHT, and BME280 sensor readings … Read more
In this ESP8266 tutorial, we will learn to use ESP8266 MQTT as a Publisher and Subscriber using Arduino IDE. There will be one ESP8266 MQTT publisher and two subscribers. We will publish DHT11 and DHT22 sensor readings to MQTT with ESP8266 where one ESP8266 will act as a subscriber and Node-Red Dashboard will also subscribe … Read more
In this ESP32 tutorial, we will learn to use ESP32 MQTT as a Publisher and Subscriber using Arduino IDE. There will be one ESP32 MQTT publisher and two subscribers. We will publish DHT11 and DHT22 sensor readings to MQTT with ESP32 and one ESP32 will act as a subscriber and Node-Red Dashboard will also subscribe … Read more
In this user guide, we will introduce you to Microsoft Azure IoT central and send DHT22 sensor readings to this IoT platform with ESP8266 NodeMCU. Through Azure IoT core, we’ll show you how to publish sensor readings to the dashboard using Arduino IDE. The sensor readings will be displayed in a dashboard. Most importantly, you … Read more
In this user guide, we will learn how to publish DHT22/DHT11 sensor readings to ThingSpeak using Micropython, Raspberry Pi Pico, and ESP-01 module. We will use Thonny IDE to program our Raspberry Pi Pico board which will be connected to a DHT22 temperature and humidity sensor. Our main aim is to transmit these sensor readings … Read more
In this tutorial, we will learn to create a Raspberry Pi Pico DHT22 web server using MicroPython. In the DHT web server, we will see how to display temperature and humidity values on the web page which will be accessible through an IP address. All devices which are connected to the same router to which … Read more