What is KiCad MCP Server? How to use AI for schematic drawing, PCB routing, and DRC checks? This guide covers 3 major KiCad MCP Server implementations, installation, practical examples, and tool comparisons.
KiCad MCP Server 是什么？如何让 AI 辅助画原理图、PCB 布线、DRC 检查？本文详解 3 大主流 KiCad MCP Server 安装配置、实战案例与工具对比，附完整配置示例。
DJI 4G 图传模块是什么？如何工作？与 O4 Air Unit 对比如何？本文深度解析 DJI Cellular Dongle 2 技术原理，提供 ESP32 + 4G LTE DIY 替代方案和 WFB-ng 开源方案，含完整对比表和实测数据。
用 5 美元 ESP32 + HLK-LD2410 毫米波雷达模块 DIY 人体存在传感器，检测静止人体，接入 Home Assistant。完整接线图、Arduino 代码与 ESPHome 配置，2026 实战教程。
深入解析乐鑫 ESP-NOW 协议，2026 年用两块 ESP32 搭建无 WiFi 路由器的无线传感网络，含 Arduino/ESP-IDF 代码、加密、200 米实测距离与功耗数据。
IKEA 宣布放弃 Zigbee 全面转向 Thread/Matter 协议，DIRIGERA 网关只是过渡方案？本文用 5 美元 ESP32-C6 搭建 Thread 边界路由器，实战接入 IKEA TRETMANN、RODRET 设备，对比 DIRIGERA vs ESP32-C6 方案，含 Home Assistant 完整集成与 Zigbee vs Matter 深度分析。
手把手教你用 ESP32-S3 + Edge Impulse 训练离线语音识别模型，实现本地唤醒词检测，无需联网、延迟低于 200ms，适合智能家居和 IoT 项目。
Arduino 零基础入门实战教程，涵盖光敏电阻模拟信号读取、串口监视器实时显示光照变化、舵机接线与串口控制角度。两个经典项目帮你快速掌握传感器输入与执行器输出。
从零学会 Arduino 驱动电机——A4988 控制步进电机（42 stepper）、L298N 驱动直流电机，含接线图、完整代码、微步进配置、PWM 调速与常见问题排查。
Deep dive into DJI 4G transmission module technology. Learn how DJI Cellular Dongle 2 works, compare it with O4 Air Unit, and build your own ESP32 + 4G LTE alternative. Complete comparison table and real-world test data included.
IKEA announced abandoning Zigbee for Thread/Matter protocol. Is the DIRIGERA hub just a transition solution? This article builds a Thread Border Router with a $5 ESP32-C6, integrates IKEA TRETMANN and RODRET devices, compares DIRIGERA vs ESP32-C6 solutions, includes complete Home Assistant integration and Zigbee vs Matter deep analysis.
Build a standalone Thread Border Router for $5 using ESP32-C6. Connect Matter/Thread devices to Home Assistant — no USB, no extra hardware. Step-by-step 2026 guide with IPv6 setup and troubleshooting.
Build an IoT real-time monitoring dashboard from scratch — ESP32 sensor data stored in InfluxDB time-series database and visualized with Grafana. A complete hands-on tutorial.
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.
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.
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.
Complete practical guide for 4G Cat.1 module EC200U: from hardware wiring, AT command debugging, Arduino driver development to MQTT data reporting, with real-world data usage testing and low-power solutions, cost only 70 yuan.
DIY portable oscilloscope with STM32F407 and 3.5-inch TFT screen, cost under 200 yuan, supports 1MSa/s sampling rate, trigger function, waveform display.
