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 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 ESP32 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. The … Read more
In this tutorial, we will learn to create a MQTT client with ESP32 to publish sensor readings and to subscribe to different topics using HiveMQ. Our aim is to create an MQTT client that will be able to subscribe to MQTT topics and publish sensor readings on MQTT topics. We will use the PubSubClient library … Read more
In this user guide, we will build an ESP32 web server which will act as a remote serial monitor. This will be achieved by using the WebSerial library and programming the ESP32 board in Arduino IDE. Additionally, we will use the ESPAsyncWebServer library as well. The web based serial monitor will work just the same … Read more
In this user guide, you will learn how to use the IBM Watson cloud platform with the ESP32 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 ESP32 development board with IBM cloud services. Secondly, … Read more
In this user guide, we will learn how to create an ESP32 and ESP8266 web server through which we will input different types of data on the HTML form. We will learn how to create input fields through which the user will enter data that will get transferred to the ESP32/ESP8266 boards. We can use … Read more