Dive into the world of ESP32 with our dedicated category, featuring tutorials, projects, and tips for leveraging this powerful microcontroller. Explore Wi-Fi and Bluetooth capabilities, IoT applications, and efficient programming techniques to build innovative embedded solutions with the ESP32.
The ESP32 features a wide range of General Purpose Input/Output (GPIO) pins that can be used for a variety of tasks, such as reading sensors, controlling LEDs, or interfacing with other peripherals. In this tutorial, we’ll walk you through how to control the ESP32's digital input and output ports using the ESP-IDF framework. You’ll learn how to configure GPIOs for input or output modes, read digital signals, and set pin states. With step-by-step instructions and example code, you’ll be able to control hardware components like LEDs, buttons, and relays using the powerful GPIO features of the ESP32.
Read MoreTimers are essential for managing time-based events and tasks in embedded systems, and the ESP32 provides powerful hardware timers to make this task easier. In this article, you’ll learn how to configure and control the ESP32’s hardware timers using the timer driver in ESP-IDF. We’ll explore how to set up one-shot or periodic timers, handle timer interrupts, and use timers for a variety of time-sensitive applications such as PWM generation, timeouts, or scheduled tasks. By the end of this guide, you’ll have a solid understanding of how to utilize ESP32 timers for precise control in your projects.
Read MoreThe ESP32 is highly versatile and supports multiple communication protocols, including I2C. In this tutorial, we’ll guide you through configuring the ESP32 as an I2C Master using the ESP-IDF framework. You’ll learn how to initialize the I2C bus, set up the communication parameters, and send/receive data between the ESP32 (I2C Master) and an I2C Slave device. With clear examples, we’ll demonstrate how to communicate with common I2C peripherals like sensors or EEPROMs, giving you the foundation to integrate I2C devices into your ESP32-based projects.
Read MoreThe ESP32 comes with built-in analog-to-digital converters (ADC) that allow you to read analog signals from sensors and other devices. In this guide, we’ll walk you through how to use the ESP32 ADC with the ESP-IDF framework to measure analog inputs. You’ll learn about the ADC pins on the ESP32, how to configure the ADC for different resolutions and sampling rates, and how to calibrate the ADC for more accurate readings. We’ll also provide an example project where you can read values from an analog sensor, process the data, and display it. By the end of this tutorial, you’ll have a solid understanding of how to utilize the ESP32 ADC for your own projects.
Read MoreIn this guide, we’ll show you how to control RGB LEDs using the ESP32 by building a custom component in the ESP-IDF framework. By structuring your code into reusable components, you can make your projects more modular and maintainable. You’ll learn how to create an RGB LED control component, configure it for different colors and brightness levels, and integrate it into your larger ESP32 applications. This approach will allow you to easily manage your code, scale your projects, and enhance the reusability of your components across different applications.
Read MoreBluetooth Low Energy (BLE) is a powerful feature of the ESP32, enabling you to create wireless communication between your device and others. In this guide, we’ll help you get started with BLE development using the ESP-IDF framework, focusing on controlling an RGB LED. You’ll learn how to develop a GATT (Generic Attribute Profile) Server application on the ESP32 with a custom RGB service that allows you to change the LED's color remotely via BLE. With detailed steps and code examples, you’ll be able to control your RGB LED using a smartphone or another Bluetooth-enabled device, opening up endless possibilities for wireless control in your projects.
Read MoreThe ESP32 is a powerful WiFi-enabled microcontroller, and one of its most common uses is connecting to an existing WiFi network as a station (client). In this article, we'll guide you through the steps to configure your ESP32 as a WiFi station using the ESP-IDF framework. You'll learn how to write a program that connects the ESP32 to a WiFi access point (AP), configure network parameters like SSID and password, and handle connection events. With clear instructions and practical code examples, this tutorial will help you get your ESP32 online and ready for IoT applications.
Read MoreThe ESP32-DevKitC is an excellent starting point for exploring the capabilities of the ESP32 microcontroller. In this guide, we’ll introduce you to the key features of the ESP32-DevKitC development board, including its components, pinouts, and how to get your first program running. You’ll learn how to set up your development environment, connect the board to your computer, and create a simple “Hello World” program. With step-by-step instructions, this guide will help you hit the ground running and start experimenting with the powerful features of the ESP32-DevKitC.
Read MoreThe ESP32’s partition table is a critical component that defines how memory is allocated and organized in your device. In this article, we’ll explore what a partition table is, why it’s essential for managing flash storage, and how it influences your application’s behavior. You’ll learn about the different types of partitions (such as app, data, and OTA), how to create a custom partition table, and how to modify the default settings to fit your project’s needs. By the end of this guide, you’ll understand how to efficiently allocate memory in your ESP32 projects for optimal performance and flexibility.
Read MoreThe ESP32 is a versatile microcontroller that can be configured as either a station (client) or an access point (AP) to facilitate communication with other devices. In this guide, we’ll walk you through the process of configuring your ESP32 as a WiFi access point using the ESP-IDF framework. You’ll learn how to set up the access point mode, configure network parameters such as SSID and password, and manage client connections. With this tutorial, you’ll be able to turn your ESP32 into a central hub for IoT devices, enabling seamless wireless communication in your projects.
Read MoreThe ESP32 is an ideal platform for creating connected IoT applications, and setting up a web server on this powerful microcontroller is straightforward with the ESP-IDF framework. In this guide, you’ll learn how to implement a web server on the ESP32, from configuring the network interface to handling HTTP requests. We’ll walk you through the steps of creating a web server, registering URI handlers, and sending responses back to clients. Whether you’re building a remote control interface, a data display, or any other web-based service, this tutorial will provide you with the foundation to get started with web server development on the ESP32.
Read MoreThe ESP32 is a powerful microcontroller that can be easily integrated into IoT projects. In this tutorial, you’ll learn how to create an ESP32 application using the ESP-IDF framework to control LEDs via an HTTP web server. We’ll guide you through the process of setting up the ESP32 web server, creating endpoints to control the LEDs, and connecting the ESP32 to your Wi-Fi network. With clear examples and practical code, you’ll be able to build a responsive web interface to toggle LEDs, providing a simple and effective way to control hardware remotely over the network.
Read MoreThe LED Control (LEDC) peripheral on the ESP32 is a powerful tool for generating Pulse Width Modulation (PWM) signals, ideal for applications like LED dimming and motor control. In this blog post, we explore the capabilities of the LEDC peripheral and the ESP-IDF APIs used to configure it. You’ll learn how to create a hands-on project that uses PWM to control the color of an RGB LED, with step-by-step instructions. Whether you’re a beginner or an experienced developer, this guide will help you master PWM on the ESP32 for dynamic and colorful projects.
Read MoreSetting up a robust development environment is the first step to unlocking the full potential of the ESP32 microcontroller. In this blog post, we provide a clear, step-by-step guide to configuring the ESP-IDF framework for ESP32 development on macOS. From installing the necessary tools and dependencies to setting up the ESP-IDF environment and verifying your setup, this tutorial ensures a smooth start for your ESP32 projects. Whether you’re new to embedded systems or an experienced developer, this guide will help you establish a reliable ESP32 development workflow on macOS.
Read MoreThe Serial Peripheral Interface (SPI) on the ESP32 is a versatile tool for high-speed communication with peripherals like displays and sensors. In this blog post, we dive into using the ESP32’s SPI peripheral as a master with the ESP-IDF framework. We’ll cover the SPI instances, explore the essential ESP-IDF APIs for SPI communication, and guide you through creating a hands-on project to control a MAX7219 module with an 8x8 LED matrix. This step-by-step tutorial equips you with the knowledge to leverage SPI for your ESP32 projects, whether you’re a beginner or an advanced developer.
Read MoreThe ESP32’s General Purpose Input/Output (GPIO) pins are essential for interfacing with sensors, actuators, and other peripherals in embedded projects. In this blog post, we explore how to control ESP32 GPIOs using MicroPython. You’ll learn how to configure pins as inputs or outputs, set or clear output pins, and read digital input states. With clear examples and step-by-step instructions, this guide makes it easy to harness the power of MicroPython for GPIO control, enabling you to build interactive and responsive projects with the ESP32, whether you’re a beginner or an experienced developer.
Read MoreMicroPython brings the simplicity and flexibility of Python to the powerful ESP32 microcontroller, making it an excellent choice for rapid prototyping and IoT projects. In this blog post, we guide you through the essentials of getting started with MicroPython on the ESP32. From setting up the necessary tools and flashing the MicroPython firmware to writing and running your first MicroPython program, this tutorial provides a clear, step-by-step approach. Whether you’re a beginner or an experienced developer, this guide will help you unlock the potential of MicroPython on the ESP32 for your next embedded project.
Read MoreThe ESP32’s Universal Asynchronous Receiver Transmitter (UART) is a powerful feature for serial communication in IoT and embedded projects. In this blog post, we explore how to effectively use UART with the ESP32 using the ESP-IDF framework. We’ll cover the ESP32’s UART hardware, delve into the ESP-IDF APIs for controlling UART modules, and provide step-by-step guidance on configuring and implementing UART communication. Whether you’re interfacing with sensors, debugging, or building complex systems, this guide will equip you with the knowledge to harness the ESP32’s UART capabilities for seamless and reliable data exchange.
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