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siliXon

Describe a circuit board in plain English; an assistant picks real parts, places, routes and checks a 2- or 4-layer PCB you can edit and export.

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Pricing
Free at £0 a month with one end-to-end project every two weeks, public projects only and two Community remixes. Pro costs £14.99 a month, billed monthly, for unlimited private projects and remixes plus KiCad import and export. Official source 1 ↗
Available as
A web app with a dashboard; you need an account, registered by email and password or Google sign-in. Official source 1 ↗
Primary group
Coding & Development

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What it does

siliXon is a browser-based, beta circuit-board design tool: you describe the electronics you want in plain English, its assistant Rocky asks clarifying questions, and the system picks real parts, places them, draws the schematic and routes a 2- or 4-layer PCB that you can edit in 2D or 3D and export for manufacturing.

Official source 1 ↗

Features

  • Plain-English board brief. Start from a sentence such as a garden soil sensor; experienced users can name exact components, communication protocols and board size for a tighter result. Official source 1 ↗
  • Rocky clarifying assistant. Rocky chats through the design, asking questions and offering choices so you can settle what the electronics should do. Official source 1 ↗
  • Automatic placement, schematic and routing. The system chooses components, places them, draws the schematic and routes the board. Official source 1 ↗
  • Edit in 2D and 3D or by chat. Generated boards stay editable: move parts, draw or remove traces, add vias, or ask Rocky for changes. Rocky v1.5 can inspect the layout image and a layout report for alignment edits. Official source 1 ↗ · Official source 2 ↗
  • Engineering checks before manufacture. Boards must pass siliXon's physics and manufacturing checks, and every component is a part that exists on the market. Official source 1 ↗
  • Manufacturing files you own. You keep ownership of designs and get the files needed to manufacture the board; Pro adds KiCad import and export. Official source 1 ↗
  • Community boards to remix. Published boards can be copied by other signed-in users under the CERN Open Hardware Licence v2 Permissive, with a credit to the original designer. Official source 1 ↗

Pricing & free limits

Free

£0per month

One end-to-end project every two weeks, limited Community access with two remixes, public projects only. No card needed. Official source 1 ↗

Pro

£14.99per month

Unlimited projects, Community access, unlimited remixes, private PCBs, KiCad import and export. Silkscreen image upload is listed as coming soon. Official source 1 ↗

Billing details

Pro is billed monthly and can be cancelled anytime. Prices are shown in pounds sterling. Official source 1 ↗

Free access & limits

The Free plan allows one end-to-end project every two weeks, and its new projects are published to Community once they pass every manufacturing check; only Pro can keep a project private. Official source 1 ↗

Best for & limitations

A beginner with an idea but no electronics knowledge describing a device and getting a checked, manufacturable board. Official source 1 ↗

A hobbyist starting from an idea, adjusting the design and learning along the way. Official source 1 ↗

An engineer iterating quickly on a board with specified parts and protocols to avoid repeat manufacturing runs. Official source 1 ↗

  • Early beta. The service is a beta: features may change or stop, availability and saved data are not guaranteed, and usage limits may apply. Official source 1 ↗
  • 2- and 4-layer, mostly digital boards. Boards are limited to 2 or 4 layers, and analogue circuit capability is limited. Official source 1 ↗
  • Check boards before you build them. Passing its checks does not mean a board works or is safe; siliXon accepts no responsibility for non-working boards, and safety, EMC and regulatory validation stays with you. Official source 1 ↗ · Official source 2 ↗
  • Free designs are public. Free-plan boards are published to Community and can be copied, changed and sold by others under an open hardware licence; copies made before you go private stay with them. Official source 1 ↗
  • Session recordings. Product analytics through PostHog include session recordings that may capture ordinary non-password form values. Official source 1 ↗
siliXon product screenshot
Website previewFixed desktop viewport · 1440 × 900

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