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DeviceWare
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DeviceWare

PCB schematic editor and hardware design tool with FDL, parts library, candidate selection, wiring, netlists, and PCB layout (SVG). REST API, CLI, and React UI.

Status: Alpha

Overview

Device Ware is a PCB schematic editor and hardware design tool. Define projects in a Feature Design Language (FDL), maintain a parts library with inheritance and dependencies, run candidate selection and wiring, then generate netlists and PCB layout (SVG). Includes a REST API, CLI, and React UI with a project wizard and parts library editor.

Features

  • Project specs (FDL) — JSON-based constraints, connectivity, and outputs
  • Parts library — Versioned JSONL store; part definitions with attributes, ports, pins, dependencies, and FDL constraints
  • Candidate selection — Match parts to project constraints via attribute rules
  • Wiring engine — Build wired schematics and persist to the store
  • Netlist & layout — Generate netlists and SVG board layout
  • REST API — Projects, parts, candidates, wire, netlist, layout, SVG
  • CLI — Create projects, list parts, select candidates, wire, generate netlist/SVG
  • Web UI — Project wizard, parts library, schematic/PCB viewers

Prerequisites

Install

Terminal
bun install

Scripts

| Command | Description | | --------------- | --------------------------------- | | bun dev | Start dev server (API + frontend) | | bun start | Run production server | | bun run build | Build for production | | bun test | Run the test suite |

CLI

Use the CLI from the project root (default store path: ./data):

Terminal
bun src/cli.ts <command> [arguments]

| Command | Description | | ---------------------------------- | ---------------------------------- | | create-project <spec-file> | Parse FDL JSON and persist project | | list-parts | Print parts library table | | select-candidates <project-id> | Run candidate selection | | list-versions <data-file-path> | List versions for a JSONL path | | wire-project <project-id> | Run wiring and persist schematic | | generate-netlist <project-id> | Generate and persist netlist | | generate-svg <project-id> <path> | Render layout SVG to file |

Set STORE_PATH to use another data root:

Terminal
STORE_PATH=./my-data bun src/cli.ts list-parts

Data layout

  • Projects — projects/<name>/projects.jsonl (versioned)
  • Parts — parts/parts.jsonl (single versioned library) or parts/<lib>/parts.jsonl (e.g. parts/core/)
  • Schematics — projects/<id>/schematics/schematic.jsonl
  • Netlists / layouts — under projects/<id>/ as per API

See the project’s versioning guide for JSONL store versioning behavior.

API

With the dev server running, the API is available at the same origin (e.g. http://localhost:3000). Key routes:

  • GET/POST /api/projects, GET /api/projects/:id
  • POST /api/projects/:id/candidates — candidate selection
  • POST /api/projects/:id/wire — wire project
  • GET /api/projects/:id/netlist, GET/PUT /api/projects/:id/layout, GET /api/projects/:id/svg
  • GET/POST /api/parts, GET/PUT/DELETE /api/parts/:id, POST /api/parts/validate

Docs

Project documentation covers JSONL store versioning and the core parts library overview.

Gallery