In this user guide, we will learn how to use a DS18B20 temperature sensor with Raspberry Pi Pico in MicroPython. This is a comprehensive article in which we will discuss the sensor and how to access temperature readings through a single sensor. Additionally, we will also display the temperature readings on an SSD1306 OLED display. … Read more
In this tutorial, we will learn how to interface DS18B20 temperature sensor with STM32 Nucleo and program it in STM32CubeIDE using HAL libraries. Firstly, we will briefly introduce you to DS18B20 sensor, then interface it with STM32 and program it for temperature measurement using STMCube IDE. For demonstration, we will connect an SSD1306 OLED with … Read more
In this user guide, we will learn how to create an ESP32 and ESP8266 thermostat web server with a temperature threshold input. The web server will control ESP boards output ON/OFF based on a certain temperature threshold set by the user from a web page. The web server will allow the user to change the … Read more
In this tutorial, we will explore how to use the Bluetooth Classic on ESP32 with Arduino IDE. For demonstration, we will establish bidirectional data communication between the ESP32 and an Android cell phone over Bluetooth Classic. Firstly, we will see a simple example to send data from ESP32 to an Android app. After that, we … Read more
In this tutorial, we will learn how to interface DS18B20 temperature sensor with STM32 Blue Pill and program it in STM32CubeIDE using HAL libraries. Firstly, we will briefly introduce you to DS18B20 sensor, then interface it with STM32 and program it for temperature measurement using STMCube IDE. For demonstration, we will connect an SSD1306 OLED … 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 DS18B20 sensor readings to MQTT with ESP32/ESP8266 and Node-Red Dashboard will subscribe to the MQTT topics and display sensor readings on the … 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 NodeMCU as an MQTT client with examples of Publisher and Subscriber using Arduino IDE. There will be one ESP8266 MQTT publisher and two subscribers. We will publish DS18B20 sensor readings to MQTT with ESP8266 and one ESP8266 will act as a subscriber and Node-Red Dashboard … 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 DS18B20 sensor readings to MQTT with ESP32 and one ESP32 will act as a subscriber and Node-Red Dashboard will also subscribe to the … Read more
In this user guide, we will learn to build an Android App using MIT App Inventor and display temperature readings acquired from DS18B20 sensor with Arduino. The transmission of sensor data will be through the HC-05 Bluetooth module. Our Android application will display sensor readings on our smartphones. The sensor readings could be accessed anywhere … Read more