Professional Work
- Device Status Monitoring System Enterprise network monitoring for 16,000+ devices — async batching, PostgreSQL, Flask
- Over-Height Vehicle Detection LiDAR + camera system protecting bridge infrastructure — Python, Bosch RCP+
- Video Streaming Service Industrial camera streaming with PTZ control — FFmpeg, RTSP, gevent optimization
- Traffic Management UI Next.js/React/TypeScript modular frontend — GIS, dashboards, real-time data
- Dynamic Message Sign Control SNMP/NTCIP 1203 DMS management — Flask, Kafka, vendor driver architecture
- Subscription Alerts Module Real-time notification system — event-driven, configurable routing
Personal Projects
- Embedded Systems & IoT 50+ ESP32/ESP8266 projects, custom protocols, autonomous robots
- Multi-Vendor Video System ONVIF/WebRTC/MediaMTX with 200ms latency, Neolink for non-ONVIF
- Smart Home Dashboard (MOBIUS.TILES) ES6+ modular architecture, WebSocket real-time updates
- Smart Home Automation (MOBIUS.HOME) FastAPI multi-instance automation engine with Matter protocol, Hubitat dual-command
- Multi-Host Sync Architecture (0_SYNC) Real-time file sync across 6+ Linux hosts — rsync/SSH, git-aware, AI conflict resolution
- Shell Toolkit (0_SCRIPTS) Hardlink-based script management, HTTP server, cross-host automation
- Hubitat Automation Apps Thermostat Manager, Eternal Sunshine, CSP Watchdog, Motion Lighting
- Hubitat Device Drivers ESP8266/ESP32, Midea AC, IR controllers, custom sensors (10+ drivers)
- Roomba Reverse Engineering WiFi protocol analysis and custom integration
Technical Highlights
- Custom UART Protocol ESP32 + ATmega2560 dual-processor robot coordination
- LiDAR Protocol Implementation Reverse-engineered TEMS TemsInfo from C# to Python
- Gevent Blocking Resolution 30+ seconds to 0.004s response time optimization
- Legacy Code Refactoring 1000+ line monolith to 20 ES6 modules
- Async Network Monitoring 16,000+ devices monitored with adaptive batching algorithm
- WebRTC/MediaMTX Streaming Multi-vendor camera unification with HLS transcoding
- Multi-Hub Failover 3-hub redundancy for 24/7 IoT device reliability
- NTCIP/SNMP Protocol Stack Dynamic Message Sign control via SNMP v1/v2c/v3 with vendor profiles
- Matter Protocol Integration Dual-command architecture: Hubitat + Matter over WebSocket