In this tutorial, we will learn ESP8266 OTA programming using Arduino IDE. We will learn an interesting feature of the ESP8266 NodeMCU module that will allow us to perform over-the-air OTA updates. This means that the ESP8266 module like other Wi-Fi enabled microcontrollers supports to update the firmware or update files to the filesystem wirelessly. … Read more
In this ESP8266 web server project, we will learn how to build an ESP8266 stepper motor control WebSocket web server that will control the rotation of the motor. This will be achieved through a user filled form we will add to the web server page. The user will specify the direction of rotation as well … Read more
In this getting started tutorial, we will learn about the 28BYJ-48 stepper motor and how to interface it with the ESP8266 NodeMCU development board using a UNL2003 driver. The 28BYJ-48 stepper motor is inexpensive and one of the most commonly used stepper motors out there. It comes with a UL2003 motor driver attached to it … Read more
This tutorial shows how to interface HC-SR04 ultrasonic sensors with ESP32 and ESP8266 NodeMCU for contactless distance measurement using MicroPython. First, we will learn to interface HC-SR04 with ESP32 and ESP8266 NodeMCU. After that, we will see the MicroPython example code to measure distance and display it on the MicroPython terminal. Secondly, we will see a … Read more
This tutorial shows how to interface HC-SR04 or HY-SR05 Ultrasonic sensors with ESP8266 NodeMCU for contactless distance measurement. First, we will learn to interface HC-SR04 with ESP8266 NodeMCU. After that, we will see example codes with or without the Ultrasonic sensor Arduino library. Firstly, we will see an example to control an LED with ESP8266 NodeMCU … Read more
In this user guide, you will learn how to use the IBM Watson cloud platform with the ESP8266 NodeMCU module. Through this secure IoT platform, we’ll show you how to send sensor readings to the IBM Watson cloud platform. Firstly, we will see how to set up your ESP8266 development board with IBM cloud services. … Read more
In this tutorial, we will learn to create a DHT1 and DHT22 web server using ESP8266 NodeMCU and Arduino IDE. DHT11/DHT22 is used to measure temperature in Celsius, the temperature in Fahrenheit, and humidity. This web server will act as a weather station as it will show temperature and humidity readings on the web page. … Read more
In this user guide, we will control the output of the ESP8266 NodeMCU using Google assistant and Adafruit IO. Previously, we controlled the ESP module’s outputs through applications such as Telegram, Google Firebase, and Blynk applications. You can view the tutorials by accessing the links below. Telegram ESP32 and ESP8266: Control GPIOs and LEDs using … Read more
In this user guide, we will learn to interface the DHT11 and DHT22 with ESP8266 NodeMCU which is used for humidity, and temperature using Arduino IDE. Firstly, we will learn about DHT11/DHT22 such as its introduction, pinout diagram, and interfacing diagram with ESP8266 NodeMCU. Secondly, we will see how to install the DHT sensors library … Read more
In this user guide, we will control the output of ESP8266 NodeMCU using the Blynk app and Arduino IDE. Firstly, we will set up the Blynk app library in Arduino IDE. After that, we will see how to create the LED ON/OFF button in Blynk app. Lastly, we will see an example sketch for ESP8266 … Read more