ESP32 Send Emails using an SMTP Server: HTML, Text, and Attachments (Arduino IDE)
Learn how to send emails with the ESP32 using an SMTP Server. We’ll show you how to send a simple email with HTML or raw text and how to send …
MicroPython: ESP32 – Getting Started with Bluetooth Low Energy (BLE)
This tutorial is a getting started guide to Bluetooth Low Energy (BLE) with the ESP32 programmed with MicroPython firmware. We’ll introduce you to BLE basic concepts and run some simple …
ESP32 Servo Motor Web Server with Arduino IDE
In this tutorial, you’ll learn how to build a web server with the ESP32 that controls the shaft’s position of a servo motor using a slider. First, we’ll take a …
ESP32 with VS Code and PlatformIO: Upload Files to LittleFS Filesystem
Learn how to upload files to the ESP32 LittleFS filesystem using VS Code with the PlatformIO IDE extension. Using the filesystem with the ESP32 can be useful to save .txt, …
Raspberry Pi Pico with I2C LCD Display (MicroPython)
Learn how to use the I2C LCD (Liquid Crystal Display) with the Raspberry Pi Pico programmed with MicroPython. We’ll cover how to write static text, scrolling text, and how to …
ESP32 Web Server with Slider: Control LED Brightness (PWM)
This tutorial shows how to build an ESP32 web server with a slider to control the LED brightness. You’ll learn how to add a slider to your web server projects, …
ESP32 PWM with Arduino IDE (Analog Output)
Learn to generate PWM signals with the ESP32 using Arduino IDE. We’ll explain two different methods: using analogWrite and using the LEDC API. As an example, we’ll build a simple …
ESP32 with DC Motor and L298N Motor Driver – Control Speed and Direction
This tutorial shows how to control the direction and speed of a DC motor using an ESP32 and the L298N Motor Driver. First, we’ll take a quick look at how the …
Getting Started with ESP32 Bluetooth Low Energy (BLE) on Arduino IDE
The ESP32 comes not only with Wi-Fi but also with Bluetooth and Bluetooth Low Energy (BLE). This post is a quick introduction to BLE with the ESP32. First, we’ll explore …
ESP32: Migrating from version 2.x to 3.0 (Arduino IDE)
Recently the ESP-IDF has been updated and with this new major version, there are some breaking changes in the API. In this guide, you’ll learn about all changes in the …
ESP32 Cheap Yellow Display (CYD) Pinout (ESP32-2432S028R)
In this guide, we’ll take a look at the ESP32 Cheap Yellow Display Pinout. We’ll see which pins are used to control the display, touchscreen, and microSD card, and which …
LVGL with ESP32 TFT LCD Touchscreen Display – 2.8 inch ILI9341 240×320 (Arduino IDE)
In this guide, you’ll get started with the LVGL (Light and Versatile Graphics Library) using a TFT LCD Touchscreen Display wired to an ESP32 board. The LVGL is a popular …
LVGL with ESP32 Cheap Yellow Display Board (ESP32-2432S028R)
In this guide, you’ll get started with the LVGL (Light and Versatile Graphics Library) with the ESP32 CYD (Cheap Yellow Display ESP32-2432S028R). The LVGL is a popular free and open-source …
Raspberry Pi Pico: Control a Servo Motor (MicroPython)
In this guide, you’ll learn how to control hobby servo motors with the Raspberry Pi Pico programmed with MicroPython. Servo motors can be controlled using PWM signals to move with …