Build a pocket-sized ESP32 DIY radar that tracks live movement. This guide uses an LD2450 module and provides free build ...
Build a DIY ESP32 LoRaWAN sensor node to track garden temperature and humidity from up to 600 meters away. Includes PCB ...
3-tier persistent memory for AI agents. Hot Redis cache → warm semantic vector search → cold SQLite. Automatically promotes frequently accessed memories and demotes stale ones. Works with or without ...
Fiber alignment, connector durability, and simultaneous optical and electrical testing pose challenges for high-volume ...
System Design explained from first principles to senior engineer-level thinking, with a focus on AI-assisted (vibecoding) development. Learn how to reason about systems, understand trade-offs, and ...
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