ESP32 Retain the Last GPIO State After a Reset
In this tutorial, we will see how to retain or remember the last state of GPIO pins on the ESP32 board after a reset using the Preferences library in Arduino …
ESP32 Bluetooth Low Energy (BLE) using Arduino IDE
In this tutorial, we will learn how to use Bluetooth Low Energy (BLE) on the ESP32 microcontroller using the Arduino IDE. We will establish communication between the ESP32 as a …
Displaying Images in ESP32 and ESP8266 Web Server
In this tutorial, we will learn how to display images (format .png or .jpg) in ESP32 and ESP8266 web servers using Arduino IDE. For demonstration, we will build a web …
ESP32 Bluetooth Classic with Arduino IDE: Getting Started Guide
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 …
ESP32/ESP8266 Web Server: Control Outputs with Timer
In this tutorial, we will see how to create a web server using ESP32 and ESP8266 boards to control outputs with a timer. Specifically, we will be controlling an onboard …
ESP32 NTP Server-Client: Getting Current Date and Time Arduino IDE
In this tutorial, we will learn how to get the current date and time from the NTP server with ESP32 acting as an NTP client and Arduino IDE. Accurate timekeeping …
Get Epoch/Unix time with ESP32 through NTP server using Arduino IDE
In this tutorial, we will learn to get Getting Epoch and Unix time with ESP32 through the NTP server using Arduino IDE. Accurate timekeeping is important for IoT applications and …
ESP32 Server-Sent Events (SSE) Web Server (Arduino IDE)
In this user guide, we will learn how to create an ESP32 Server-Sent Events (SSE) web server using the Arduino IDE. With this technique, we will build an ESP32-controlled web …
ESP32 ESP8266 Web Server HTTP Authentication: Password Protection
In this tutorial, we will learn how to add HTTP authentication to ESP32 and ESP8266 web servers using Arduino IDE build with the ESPAsyncWebServer library. In today’s interconnected world, security …
ESP32 WebSocket Server using Arduino IDE – Control GPIOs and Relays
In this tutorial, we will create an ESP32 WebSocket server using the WebSocket communication protocol and the Arduino IDE. The user will be able to control the onboard LED of …