16 岁少年用 Claude 打造星链接收器：AI 辅助硬件开发实战
16 岁少年用 Claude AI 辅助开发星链卫星信号接收器，成本仅 180 美元。本文详解硬件清单、AI 辅助开发流程、信号解码原理及法律合规性，附 DIY 实战指南。
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Pi Coding Agent 2026 完全指南：从入门到精通
Pi Coding Agent 是什么？如何安装配置？本文详解 Pi Agent 核心功能、实战案例与高级技巧，附 Pi Agent vs Claude Code vs Cursor 对比表。
DJI 4G模块完整指南2026｜图传增强 + 远程控制 + 设置教程
DJI 4G图传模块深度解析：Cellular Dongle 2技术原理、与O4 Air Unit实测对比、ESP32+4G LTE DIY替代方案、WFB-ng开源方案。支持Mini/Air/Mavic系列，含延迟数据和成本分析。立即查看→
$5 打造 ESP32 人体存在传感器：HLK-LD2410 毫米波雷达 DIY 完全指南
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。
ESP-NOW 协议完全指南 2026：ESP32 无需路由器的点对点通信
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 Matter 完整指南2026｜智能家居设置 + 常见问题解决
IKEA放弃Zigbee全面转向Matter/Thread。本文用5美元ESP32-C6搭建Thread边界路由器，实战接入TRETMANN、RODRET设备，对比DIRIGERA方案，含Home Assistant集成与Zigbee vs Matter深度分析。点击查看→
ESP32 + TinyML 离线 AI 语音识别实战：从零构建唤醒词检测系统
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 入门实战：光敏电阻检测 + 串口控制舵机
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。
Arduino 电机驱动完全指南：A4988 步进电机 + L298N 直流电机实战
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。
CH55x 系列单片机完全指南：从选型到 USB 设备开发实战
CH55x 系列单片机完全指南，涵盖型号选型对比、开发环境搭建、USB HID 设备开发、SWD 调试器制作，以及常见问题排查，帮你从零开始掌握沁恒 CH55x 系列。
IKEA Abandons Zigbee for Matter: ESP32-C6 Practical Guide 2026
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.
ESP32 + TinyML Offline AI Voice Recognition: Building a Wake Word Detection System from Scratch
A step-by-step guide to training an offline voice recognition model with ESP32-S3 + Edge Impulse, implementing local wake word detection with no internet required, sub-200ms latency, perfect for smart home and IoT projects.
Arduino Beginner Practice: Photoresistor Detection + Serial Servo Control
Arduino zero-basics practical tutorial, covering photoresistor analog signal reading, serial monitor real-time display of light changes, servo wiring and serial control angle. Two classic projects help you quickly master sensor input and actuator output.
Arduino Motor Driver Complete Guide: A4988 Stepper Motor + L298N DC Motor Practice
Learn Arduino motor driving from scratch - A4988 controlling stepper motors (42 stepper), L298N driving DC motors, including wiring diagrams, complete code, microstepping configuration, PWM speed control, and common troubleshooting.
The Complete Guide to CH55x MCUs: From Selection to USB Device Development in Practice
A comprehensive guide to the CH55x MCU series, covering model selection and comparison, development environment setup, USB HID device development, SWD debugger builds, and common troubleshooting — helping you master the WCH CH55x series from scratch.
Complete Guide to ESP32 Advanced Features: EEPROM Storage + UART Serial + OTA Wireless Updates
ESP32 advanced hands-on — EEPROM for power-loss-proof data persistence, UART serial communication (pin definitions + 3 hardware UARTs), Wi-Fi OTA remote firmware updates, with complete Arduino code and troubleshooting.
ESP32-C6 Matter Smart Home Guide 2026: $5 Thread Border Router Setup
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.
ESP32 Practical Guide: Common Troubleshooting + Marlin Firmware + OpenAI SDK Practice
A comprehensive guide covering three most practical ESP32 topics: flash timeout and brownout detector troubleshooting, Marlin 3D printer firmware installation, and OpenAI real-time embedded SDK voice interaction practice.
Jetson Nano Complete Configuration Guide: From System Installation to Development Environment Setup
Master the complete configuration process of Jetson Nano from zero to one: system optimization saves 1.6GB memory, Jupyter Lab native and Docker installation, VS Code web version deployment, service auto-start settings, helping you quickly build an edge AI development environment.