XENZ

Creative Engineering

Hardware hacking · IoT · Home Lab · AI

Projects

01

Mini Pinball Machine

An ESP32-powered miniature pinball machine with custom PCB design, solenoid-driven flippers, and a vibrant LCD display. Programmed from scratch with real-time physics, scoring, and sound effects — all running on a microcontroller.

ESP32 Custom PCB Solenoids LCD Display
02

Mini Home Lab

A compact home lab built with repurposed Orange Pi Zero SBCs housed in a custom 3D-printed 5-inch rack. Running Docker containers, Home Assistant, and various self-hosted services — proving you don't need enterprise hardware to run a serious lab.

Orange Pi Zero 3D Printing Docker 5″ Rack
RETRO
03

Arcade1Up Retro Cabinet

An Arcade1Up cabinet retrofitted with a thin client running RetroArch for full emulation support. Custom button mappings, bezel artwork, and a curated game library spanning multiple decades of gaming history.

Arcade1Up Thin Client RetroArch Emulation
04

ESP32 AI Voice Assistant

A voice-controlled AI assistant built on the ESP32 platform with local wake-word detection, speech-to-text processing, and natural language understanding. Designed for privacy-first smart home control without cloud dependency.

ESP32 AI Voice Recognition Local NLP
05

Smart Greenhouse

An IoT-powered greenhouse monitoring temperature, humidity, and soil moisture in real-time. Features an automatic watering system triggered by sensor thresholds, with data logging and remote access via MQTT dashboards.

IoT Sensors MQTT Auto Watering
06

LLM-Powered PHP Migration

A self-hosted large language model fine-tuned to upgrade legacy PHP4 codebases to modern PHP8 standards. Automates syntax transformation, deprecated function replacement, and security patching while preserving business logic integrity.

Self-hosted LLM PHP4 → PHP8 Code Migration AI