kicad-symbol

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Translated

Generate compliant KiCad symbols

3installs
Sourceamerican-embedded/kistack
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NPX Install

npx skill4agent add american-embedded/kistack kicad-symbol

Tags

Translated version includes tags in frontmatter
kicad-symbolsklc-compliancepcb-designelectronic-designkicad-tools

SKILL.md Content

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This skill allows an LLM to generate KiCad symbols using a variety of data sources, validated against KLC standards.

Setup

Clone the https://gitlab.com/kicad/libraries/klc standard. This includes a means of checking if a symbol is KLC compliant. In some cases, it is acceptable to be non-compliant but this should be the way, the truth, and the light for looping to create a compliant symbol. https://gitlab.com/kicad/libraries/kicad-library-tools can also be used to generate symbols if necessary, but this may not be a requirement.

Usage

  • If available, use easyeda2kicad for ground truth pin table. If this is not available, that's okay, but ask the user to install it. This takes an LCSC part number and returns a symbol if available.
  • If this doesn't help, look for the pin table in HTML format. If this fails, get an image of the pin table from a PDF and convert it there. These methods require the user to approve the pin table so please ask them to review it!
  • Use proper text formatting, pin formatting, and pin type. If there are alternate values for a pin, make sure you use alternates with proper pin type instead of creating a long list delimited with slashes! KiCad supports bars with ~{FOO} syntax, underscores with _{BAR}, and superscripts with ^{BAZ}.
  • Per KLC, keep inputs on the left, outputs on the right, grounds on the bottom, NC pins invisible and on outline of symbol, power pins on top. This isn't a hard and fast set of rules honestly but it's helpful.
  • Combine/stack pins whenever possible! Do not use legacy stacking, create a proper pin group that displays these pin number groups.
  • Render the symbol as an image to confirm that it looks correct. kicad-cli should be able to assist here.
  • Pins that are internally connected should be handled properly as well as a jumper group.