DE-5000 LCR Meter Monitor

Real-time monitoring software for the DER EE DE-5000 LCR Meter, available as both a web app and a native desktop app.

Apps

App	Stack	Serial Access	Push Notifications	Portability
de5000-svelte	SvelteKit SPA	Web Serial API (Chrome/Edge)	Any ntfy server (fetch-based)	Runs in browser
de5000-tauri	Tauri v2 (Rust + SvelteKit)	Native serial (Rust serialport)	Embedded ntfy-rs server	Single portable executable (~7 MB)

Screenshots

Desktop App (Tauri)	Web App (Svelte)

Both apps share the same SvelteKit frontend architecture, tabular measurement details, customizable typefaces/colors, dual real-time charts, data logging, alert thresholds, and CSV/Excel/JSON export.

Features

• Real-time measurement display — primary and secondary values
• Tabular measurement details — measured values alongside calculated values (reactance, impedance, ESR, Q, D)
• Customizable typefaces — Courier New, Poppins, Roboto, Open Sans, LED Segment with live preview
• Customizable colors — curated palette dropdowns with custom color support
• Dual charts — primary (green) and secondary (cyan) real-time canvas charts with inline stats
• Alerts — configurable high/low thresholds with Web Audio alarm and visual flash
• Push notifications — instant alerts to your phone via ntfy
• Tooltips — info icons with detailed descriptions of measurement parameters
• Data logging & export — CSV, Excel (.xlsx), JSON
• Measurement modes — Auto Range, LCR Auto, Delta, Calibration, Sorting, Parallel

Quick Start

Web App (Chrome/Edge)

cd de5000-svelte
npm install
npm run dev

Open in Chrome 89+ or Edge 89+ (Web Serial API required).

Desktop App (Windows / macOS / Linux)

cd de5000-tauri
npm install
npm run tauri dev

See de5000-tauri/README.md for build prerequisites (Rust toolchain).

Hardware

The DE-5000 connects via an IR-to-USB adapter using a CH340E USB-to-serial chip. See the app READMEs for wiring details and adapter setup.

Repository Structure

de5000/
├── de5000-svelte/       # SvelteKit web app
├── de5000-tauri/        # Tauri desktop app (Rust backend + SvelteKit frontend)
├── de5000-icon-set/     # App icon generation scripts and source assets
└── img/                 # README images (adapter photos, templates)

License

MIT