探讨聊天机器人的核心价值：利用聊天记录做跨群转发、主题归并、脉络梳理和统计分析，让碎片化信息变得有组织，提供比单纯推送更独特的价值。
Articles in the Computing category
DIY Smart Air Purifier with Quality Monitoring using a Raspberry Pi
Build a Raspberry Pi-based air quality monitoring system with gas and dust sensors, plus a DIY air purifier using a box fan and MERV 13 filter.
Some experiments about thermal cameras
Using a FLIR One thermal camera to identify home energy leaks: window drafts, heater inefficiencies, and door gaps. Practical DIY approach to thermal debugging.
Update on the IFTTT Delay API
The IFTTT delay API now supports passing extra POST parameters (Value1, Value2, Value3), enabling more complex automation recipes like delayed blog cross-posting and smart home scene scheduling.
自己动手改造智能家居生活（二）
智能家居进阶：加入智能温控、August门锁、iBeacon定位和Amazon Echo，探索从遥控到自动化再到智能化的发展路径，IFTTT作为统一控制中枢。