What Are Chips, Modules, and Development Boards? Understanding Their Relationships with ESP32 as an Example

What Are Chips, Modules, and Development Boards? Understanding Their Relationships with ESP32 as an Example

Click the blue text to follow us In hardware and embedded development, the terms chip, module, and development board are often mentioned. What are they, and what is their relationship? In this article, we will use Espressif’s ESP32 as an example to explain the relationship among these three. Overall, from chips to modules to development … Read more

ESP32 + Neo-6M: Visualize Your Trajectory on a Cloud Map

ESP32 + Neo-6M: Visualize Your Trajectory on a Cloud Map

When it comes to GPS tracking, many people’s first reaction is that it is complicated: collecting latitude and longitude, setting up servers, databases, and drawing trajectories on a webpage. For an engineer looking to quickly validate an idea, these “infrastructures” can be more troublesome than the hardware itself. This project offers a refreshing approach: Using … Read more

DIY Smart AI Watch for 80 Yuan: 100% Open Source, Based on ESP32 with 1.8-Inch LED Screen, Built-in Pedometer, Compass, and Barometer

DIY Smart AI Watch for 80 Yuan: 100% Open Source, Based on ESP32 with 1.8-Inch LED Screen, Built-in Pedometer, Compass, and Barometer

Contact the editor at the end of the article to obtain the project source code. The Monica smart watch is based on the Espressif EPS32-S3 development board, equipped with a1.8-inch LED display, developed using the Mooncake UI framework, and includes a built-in pedometer, compass, and barometric sensor. Microcontroller: ESP32-S3, 32M external Flash IMU: BMI270 + … Read more

Day 2: A Comprehensive Overview of Microcontroller Families: How to Choose Between 51, STM32, and ESP32?

Day 2: A Comprehensive Overview of Microcontroller Families: How to Choose Between 51, STM32, and ESP32?

Getting Started: This is the Most Suitable Option Have you ever searched for “microcontroller development boards” on Taobao, only to be confused by the myriad of models? 51, STM32, ESP32, AVR… what secrets lie behind these seemingly mysterious codes? As an engineer with over a decade of experience in the microcontroller field, I will clarify … Read more

Offline Voice Control Without Cloud – ESP32 + INMP441 On/Off Recognition

Offline Voice Control Without Cloud - ESP32 + INMP441 On/Off Recognition

If we were to identify the biggest change in smart voice assistants over the past few years, it would undoubtedly be that an increasing number of “ears” are starting to listen locally instead of relying entirely on the cloud for processing. This project exemplifies a typical and valuable engineering task: using an ESP32 and an … Read more

Reconstructing Imagination in Hardware

Reconstructing Imagination in Hardware

Espressif Technology It is said that the shareholders of 688018 are paying attention. At the recently concluded 2025 Wenxin Open Source Innovation Competition – Shenzhen Station, Baidu, in collaboration with hardware partner Espressif Technology, held a technical workshop integrating software and hardware, promoting the application of large models on edge hardware. This event focused on … Read more

Precise Timing with ESP32: Say Goodbye to Time Synchronization Issues in Your Embedded Systems!

Precise Timing with ESP32: Say Goodbye to Time Synchronization Issues in Your Embedded Systems!

ESP32 is a powerful microcontroller widely used in IoT projects. However, in applications requiring precise timing, the built-in RTC of the ESP32 often falls short. This is where <span>ESP32Time</span> library comes into play! It allows you to easily set and retrieve the internal RTC time of the ESP32, ensuring your project maintains accurate timing. ESP32Time: … Read more

AI Edge Computing: Transform Your Old Water and Electricity Meters into Smart Devices

AI Edge Computing: Transform Your Old Water and Electricity Meters into Smart Devices

Today, smart homes are booming, with various smart devices emerging one after another. However, many households still rely on traditional water, electricity, and gas meters, which require manual readings regularly, making it time-consuming and labor-intensive, while also lacking real-time data monitoring. This not only brings inconvenience but also makes precise energy management and savings difficult. … Read more

Introduction to Electronic Components

Introduction to Electronic Components

1. Versions of ESP32 1. Classic Basic Model (Core Chip + General Module): ESP32-D0WD/D0WD-V3, ESP32-WROOM-32E/32UE. 2. Low-Cost Simplified Model: ESP32-SOLO-1, ESP32-C3, ESP32-C2. 3. Small Size High Integration Model: ESP32-PICO-D4, ESP32-PICO-MINI-02. 4. Performance Enhanced Model: ESP32-S3, ESP32-WROVER-E/IE. 5. New Protocol Adaptation Model: ESP32-C6, ESP32-D2WD, ESP32-S2. 6. Low Power Special Model: ESP32-D2WD, ESP32-S2. 2. Preparation for Getting … Read more

A Quick Start Guide to ESP32 Development: Bridging Cloud AI to the Physical World

A Quick Start Guide to ESP32 Development: Bridging Cloud AI to the Physical World Introduction Forgive me for starting a new project again; I will gradually update the previous ones, but I simply cannot contain my excitement to share this new toy with everyone. Without further ado, let’s get straight to the point. Learning ESP32 … Read more