uWebHMI MQTT Dashboard - Real-time IoT Visualization

uWebHMI MQTT Dashboard is a sleek, modern, pure front-end IoT visualization tool designed for engineers, makers, and smart automation systems. No backend database required. Connect directly to any MQTT Broker via secure WebSockets to instantly convert real-time sensor streams into dynamic gauges, charts, and digital readouts. ✨ Key Features: 1. [Pure Front-End & Privacy Focused]: All broker configurations and dashboard layouts are stored locally on your device (Local Storage). 2. [10 Specialized Widgets]: - Text Display: Auto-scaling multi-line text. - Gauge & Analog Meter: 120-degree dynamic needle swinging and progress arcs. - LED Tube Display: High-contrast glowing retro-futuristic readout. - Real-time Trend Chart: Plots the latest 40 data points automatically. - Thermometer, Battery Indicator, Directional Compass, Status Bulb, and Live Images. 3. [Smart Grid Layouts & Auto-Span]: Supports Auto layout and 9 fixed grid presets (2x2, 3x2, 4x2, 4x3, 3x3, 4x4, etc.) with auto-span filling. 4. [Auto Launch on Start]: Set any dashboard as default to skip the control center and launch directly into full monitoring mode. 5. [Drag-and-Drop Reordering]: Easily rearrange widgets using dedicated grip handles or up/down controls. 6. [Dark Mode & Multi-Language]: Seamlessly toggle between Light/Dark themes and Traditional Chinese / English. 📌 Can also be installed as a standalone desktop app via https://dashboard.uwebhmi.com/pwa.