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{
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"name" : "velxio" ,
"homepage" : "https://velxio.dev" ,
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"private" : true ,
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"version" : "2.0.1" ,
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"type" : "module" ,
"scripts" : {
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"generate:metadata" : "cd .. && npx tsx scripts/generate-component-metadata.ts" ,
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"generate:favicons" : "node ../scripts/generate-favicons.mjs" ,
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"generate:og-image" : "node ../scripts/generate-og-image.mjs" ,
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"generate:sitemap" : "node scripts/generate-sitemap.mjs" ,
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"generate:component-svgs" : "node ../scripts/generate-component-svgs.cjs" ,
"dev" : "npm run generate:metadata && npm run generate:component-svgs && vite" ,
"build" : "npm run generate:metadata && npm run generate:component-svgs && npm run generate:sitemap && tsc -b && vite build && node scripts/prerender-seo.mjs" ,
"build:docker" : "npm run generate:component-svgs && npm run generate:sitemap && vite build && node scripts/prerender-seo.mjs" ,
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"lint" : "eslint ." ,
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"lint:fix" : "eslint . --fix" ,
"format" : "prettier --write \"src/**/*.{ts,tsx,css}\"" ,
"format:check" : "prettier --check \"src/**/*.{ts,tsx,css}\"" ,
"check" : "npm run lint && npm run format:check" ,
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"preview" : "vite preview" ,
"test" : "vitest run" ,
"test:watch" : "vitest" ,
"test:coverage" : "vitest run --coverage" ,
"test:ui" : "vitest --ui"
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} ,
"dependencies" : {
"@monaco-editor/react" : "^4.7.0" ,
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"@types/react-syntax-highlighter" : "^15.5.13" ,
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"@wokwi/elements" : "file:../wokwi-libs/wokwi-elements" ,
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"@xterm/addon-fit" : "^0.11.0" ,
"@xterm/xterm" : "^6.0.0" ,
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"avr8js" : "file:../wokwi-libs/avr8js" ,
"axios" : "^1.13.6" ,
feat: electrical simulation via ngspice-WASM (eecircuit-engine)
Adds full SPICE-accurate electrical simulation to Velxio, behind a lazy-
loaded ⚡ toolbar toggle. Arduino / ESP32 / RP2040 sketches now co-simulate
with real analog behaviour: correct voltages on wires, real I–V curves on
LEDs, working potentiometers, NTC thermistors read by analogRead(), PWM
driving RC filters, transistors, op-amps, diodes, MOSFETs, etc.
Engine: eecircuit-engine (ngspice compiled to WebAssembly). Main bundle
stays at 2.4 MB; the 20 MB SPICE chunk only loads when the user activates
electrical mode. Disabled at build time via VITE_ELECTRICAL_SIM=false.
Frontend additions:
- simulation/spice/: SpiceEngine wrapper + lazy entry, NetlistBuilder with
UnionFind over wires, componentToSpice mapping (24 metadataIds incl.
real part numbers: 2N2222, 2N3055, BC547, IRF540, 2N7000, 1N4148,
1N4007, 1N4733, LEDs, NTC, op-amp ideal), CircuitScheduler with
debounced coalescing, AVRSpiceBridge for quasi-static co-simulation.
- store/useElectricalStore: Zustand slice, feature-flag aware.
- components/analog-ui/: ⚡ toolbar toggle + SVG voltage overlay.
- components/components-instruments/: Voltmeter, Ammeter probes.
- 62 tests (spice-*, netlist-builder, component-to-spice, instruments).
Sandbox (test/test_circuit/): 47-test validation sandbox that proved
the approach (hand-rolled MNA baseline + ngspice pipeline) before
porting to the app. Kept as reference.
Docs: docs/wiki/circuit-emulation-*.md (13 engineering pages covering
architecture, solvers, components, AVR bridge, gotchas, performance,
integration plan, API reference, appendix) + electrical-simulation-
user-guide.md (end-user facing).
Reference plan: test/test_circuit/plan/phase_8_velxio_implementation.md
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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"eecircuit-engine" : "^1.7.0" ,
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"idb-keyval" : "^6.2.2" ,
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"jszip" : "^3.10.1" ,
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"littlefs" : "^0.1.0" ,
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"react" : "^19.2.0" ,
"react-dom" : "^19.2.0" ,
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"react-router-dom" : "^7.13.1" ,
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"react-syntax-highlighter" : "^16.1.1" ,
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"zustand" : "^5.0.11"
} ,
"devDependencies" : {
"@eslint/js" : "^9.39.1" ,
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"@types/jszip" : "^3.4.0" ,
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"@types/node" : "^24.11.0" ,
"@types/react" : "^19.2.7" ,
"@types/react-dom" : "^19.2.3" ,
"@vitejs/plugin-react" : "^5.1.1" ,
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"@vitest/coverage-v8" : "^4.0.18" ,
"@vitest/ui" : "^4.0.18" ,
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"eslint" : "^9.39.1" ,
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"eslint-config-prettier" : "10.1.8" ,
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"eslint-plugin-react-hooks" : "^7.0.1" ,
"eslint-plugin-react-refresh" : "^0.4.24" ,
"globals" : "^16.5.0" ,
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"jsdom" : "^28.1.0" ,
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"prettier" : "3.8.3" ,
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"typescript" : "~5.9.3" ,
"typescript-eslint" : "^8.48.0" ,
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"vite" : "^7.3.1" ,
"vitest" : "^4.0.18"
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}
}