In this tutorial, we will learn how to make HTTP GET requests in ESP8266 NodeMCU to commonly used APIs such as ThingSpeak and OpenWeatherMap.org. Firstly, we will see how to …
In this tutorial, we will learn how to perform BLE server client communication between two ESP32 boards using Bluetooth Low Energy. In other words, we will learn to exchange data …
Interrupts are used to handle events that do not happen during the sequential execution of a program. There are two types of interrupts for the Arduino microcontroller. Hardware or external …
In this tutorial, we will create two types of IoT based clocks such as Analog and Digital using OLED display and ESP32 and ESP8266 NodeMCU development boards. We will use …
In this comprehensive user guide, we will learn to interface SSD1306 OLED with ESP8266 NodeMCU using Arduino IDE. We will discuss how to display simple texts, set pixels, draw lines and …
In this comprehensive user guide, we will learn to interface SSD1306 OLED with Arduino. We will discuss how to display simple texts, set pixels, draw lines and shapes on OLED display …
In this user guide, we will learn how to log sensor readings acquired from BME280 sensor to a microSD card using Arduino and Arduino IDE. We will create a .txt …
In this user guide, we will learn how to log temperature and humidity readings acquired from DHT22 sensor to a microSD card using Arduino and Arduino IDE. We will create …
In this ESP32 web server project, we will learn how to build an ESP32 PWM WebSocket web server that will control the brightness of multiple LEDs connected to the ESP32 …
In this ESP8266 NodeMCU web server project, we will learn how to build an ESP8266 PWM slider web server that will control the brightness of an LED connected to the …