ESP32 多核编程：双核任务分配与共享内存同步
ESP32 搭载双核 Xtensa 处理器，本文详解如何用 FreeRTOS 把任务分配到不同核心运行，并通过互斥锁、信号量、消息队列实现跨核共享内存安全同步，附带完整代码示例。
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TinyML 异常检测：工业设备预测性维护边缘方案
用 Arduino Nano 33 BLE Sense + Edge Impulse 在 MCU 上跑异常检测模型，提前发现电机、泵、风机故障，实现低延迟预测性维护。
CAN FD 总线实战：高速车载通信协议开发与调试
全面解析 CAN FD（Flexible Data-Rate）协议与传统 CAN 的核心差异，从帧格式、波特率到 MCP2517FD 芯片驱动开发，手把手带你搭建高速车载通信系统。
UART 串口通信完全指南 2026：波特率、流控与多机通信
UART 串口通信从原理到实战的完整指南，涵盖波特率计算、硬件流控、RS485 半双工、Modbus RTU 协议实现及 ESP32 多 UART 口使用技巧。
Arduino OLED 显示屏完全教程：SSD1306 I2C 接线、绘图与传感器数据实时显示（2026）
从零学会 Arduino 驱动 SSD1306 OLED 显示屏：I2C 接线方法、Adafruit_SSD1306 库使用、文字/图形绘制、温湿度传感器数据实时显示，附完整代码与接线图。
ESP32 温湿度监控系统：DHT22 + MQTT + Node-RED 仪表盘完整项目教程
从零搭建 ESP32 温湿度监控系统：DHT22 传感器接线、Arduino IDE 代码、MQTT 通信协议配置、Node-RED 仪表盘可视化，一套完整的物联网实战项目。
SD卡协议全解析：从SD 1.0到SD 8.0的演进、总线模式与速度等级（2026实战指南）
全面梳理SD卡协议30年演进史，深入解析SPI/1-bit/4-bit/UHS总线模式、CMD指令集、速度等级（Class/UHS/Video）及SDSC/SDHC/SDXC/SDUC容量差异，附嵌入式开发实战要点。
NB-IoT 模块 BC26 实战：低功耗远程数据采集系统
从零搭建基于 Quectel BC26 的 NB-IoT 远程数据采集节点，涵盖硬件接线、AT 指令调试、功耗优化和云平台对接全流程。
毫米波雷达传感器 RCWL-0516：人体存在检测实战
深入讲解 RCWL-0516 毫米波雷达传感器的工作原理、硬件接线、Arduino/ESP32 编程实战，以及人体存在检测项目的完整搭建指南。
I2C 总线完全指南 2026：从协议原理到多设备挂载实战
深入理解 I2C 总线协议：从 SCL/SDA 信号原理、地址寻址、上拉电阻计算，到 Arduino 和 ESP32 多设备挂载实战代码。嵌入式开发者必读的 I2C 完全指南。
UWB Precision Positioning in Practice: DW3000 Indoor Centimeter-Level Tracking System
Build an indoor centimeter-level positioning and tracking system from scratch using ESP32 + DW3000 modules, covering DS-TWR two-way ranging principles, trilateration algorithms, Kalman filter smoothing, and accuracy optimization tips.
ESP32 Multi-Core Programming: Dual-Core Task Assignment and Shared Memory Synchronization
The ESP32 features a dual-core Xtensa processor. This guide walks through how to assign tasks to different cores using FreeRTOS, and safely synchronize shared memory across cores with mutexes, semaphores, and message queues — complete with full code examples.
TinyML Anomaly Detection: Edge-Based Predictive Maintenance for Industrial Equipment
Run an anomaly detection model on an MCU using Arduino Nano 33 BLE Sense + Edge Impulse to detect motor, pump, and fan faults early, achieving low-latency predictive maintenance.
UART Serial Communication Complete Guide 2026: Baud Rate, Flow Control and Multi-Device Communication
A complete guide to UART serial communication from principles to practice, covering baud rate calculation, hardware flow control, RS485 half-duplex, Modbus RTU protocol implementation, and ESP32 multi-UART port usage tips.
Arduino OLED Display Complete Tutorial: SSD1306 I2C Wiring, Drawing and Real-time Sensor Data Display (2026)
Learn to drive SSD1306 OLED display with Arduino from scratch: I2C wiring methods, Adafruit_SSD1306 library usage, text/graphics drawing, real-time temperature and humidity sensor data display, with complete code and wiring diagrams.
ESP32 Temperature & Humidity Monitoring System: DHT22 + MQTT + Node-RED Dashboard Complete Project Tutorial
Build an ESP32 temperature and humidity monitoring system from scratch: DHT22 sensor wiring, Arduino IDE code, MQTT communication protocol configuration, Node-RED dashboard visualization - a complete IoT practical project.
NB-IoT Module BC26 in Practice: Low-Power Remote Data Collection System
Build a NB-IoT remote data collection node based on Quectel BC26 from scratch, covering the complete process of hardware wiring, AT command debugging, power consumption optimization, and cloud platform integration.
Millimeter Wave Radar Sensor RCWL-0516: Human Presence Detection in Practice
In-depth guide to the RCWL-0516 millimeter wave radar sensor: working principles, hardware wiring, Arduino/ESP32 programming, and a complete setup guide for human presence detection projects.
The Complete I2C Bus Guide 2026: From Protocol Fundamentals to Multi-Device Hands-On
Deep dive into the I2C bus protocol: from SCL/SDA signal fundamentals, address addressing, and pull-up resistor calculations, to hands-on multi-device code with Arduino and ESP32. A must-read I2C guide for embedded developers.