In this tutorial, we will build an IoT based soil moisture monitoring system with ESP32 and Adafruit IO. Firstly, we will show you how to interface soil moisture sensor e.g. HL-01 with ESP32. Not only that but we will build a soil moisture monitor that will indicate the percentage of moisture in soil on the … Read more
In this project, we will build an ESP32 GPS vehicle tracker using NEO 6M GPS module and Arduino IDE. With the help of this GPS tracker, we will be able to track vehicles from anywhere around the world. We will also show GPS location coordinates on an OLED display connected with the ESP32 board. The … Read more
In this tutorial, we will learn how to perform wireless HTTP communication between two ESP32 boards using Wi-Fi without any physical router or internet connection. In other words, we will learn to exchange data between ESP32 boards wirelessly. The type of communication will be HTTP where one ESP32 board acts as an HTTP client generating … Read more
In this user guide, we will learn how to host ESP32 web server files on a microSD card. In other words, we will build a web server that serves the files to a client saved on the microSD card. Storage data including text, video, audio, CSV, HTML, JavaScript, and CSS files can all be conveniently … Read more
In this comprehensive tutorial, we will learn to interface SSD1306 OLED with ESP32 using Arduino IDE. We will discuss how to display simple texts, set pixels, draw lines and shapes on OLED display with ESP32. Additionally, we will also learn to display monochrome bitmap images on the OLED screen. An OLED (organic light-emitting diode) is … Read more
In this user guide, we will learn how to log DS18B20 temperature sensor readings along with timestamps to a microSD card using ESP32 and Arduino IDE. Furthermore, the current date and time will also be logged with each temperature sensor reading. We will use the ESP32 NTP server to request updated time stamps. In order … Read more
In this user guide, we will learn how to interface a micro SD card with Arduino using the microSD card module or connector and Arduino IDE. This module provides an SPI interface to connect an SD card module with any microcontroller which supports the SPI communication interface. Using a micro SD card becomes very handy … Read more
In this user guide, we will learn how to interface a microSD card with ESP32 using the microSD card module or connector and Arduino IDE. This module provides an SPI interface to connect an SD card module with any microcontroller which supports the SPI communication interface. Using a microSD card becomes very handy for applications … Read more
In this tutorial, we will learn to use EMQX Cloud MQTT broker. Firstly, we will learn how to connect an ESP32 development board with an EMQX Cloud MQTT broker. Our aim is to successfully make a connection between our ESP32 board and the MQTT broker using EMQX cloud and using its free public MQTT server. … Read more
In this tutorial, we will learn to create a BME280 web server using ESP8266 NodeMCU and Arduino IDE. BME280 is used to measure temperature in Celsius, the temperature in Fahrenheit, humidity, and Pressure. This web server will act as a weather station as it will show temperature, humidity, and pressure readings on the web page. … Read more