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Versions](https://img.shields.io/pypi/pyversions/skidl.svg)\n![License](https://img.shields.io/pypi/l/skidl.svg)\n![Downloads](https://img.shields.io/pypi/dm/skidl.svg)\n![GitHub Stars](https://img.shields.io/github/stars/devbisme/skidl.svg?style=social)\n![GitHub Forks](https://img.shields.io/github/forks/devbisme/skidl.svg?style=social)\n![GitHub Issues](https://img.shields.io/github/issues/devbisme/skidl.svg)\n![GitHub Last Commit](https://img.shields.io/github/last-commit/devbisme/skidl.svg)\n\n**Never use a lousy schematic editor again!**\n\nSKiDL is a Python package that lets you describe electronic circuits using code instead of schematic editors. Write your circuit as a Python program, and SKiDL outputs a netlist for PCB layout tools. It's \"infrastructure as code\" for electronics.\n\n* Free software: MIT license\n* Documentation: http://devbisme.github.io/skidl\n* User Forum: https://github.com/devbisme/skidl/discussions\n\n## Why SKiDL?\n\n**Textual Circuit Design**: Use any text editor and enjoy version control with `git`, code reviews, and `diff` for circuit changes.\n\n**Compact \u0026 Powerful**: Describe complex circuits in a fraction of the space. No more tracing signals across multi-page schematics.\n\n**Reusable Design**: Share circuit modules on PyPI and GitHub. Create parametric \"smart\" circuits that adapt based on requirements.\n\n**Design Automation**: Build circuits algorithmically. Generate repetitive structures, automatically size components, and create design variants programmatically.\n\n**Electrical Rules Checking**: Catch common mistakes like unconnected pins, drive conflicts, and power connection errors.\n\n**Hierarchical Design**: Mix linear, hierarchical, and modular design approaches as needed.\n\n**Tool Independence**: Works with any PCB tool. Currently supports KiCad, but can be extended to other tools.\n\n**Python Ecosystem**: Leverage Python's vast ecosystem for simulation, analysis, documentation, and automation.\n\n## Quick Example\n\nHere's a simple voltage divider that demonstrates SKiDL's syntax:\n\n```python\nfrom skidl import *\n\n# Create input \u0026 output voltages and ground reference\nvin, vout, gnd = Net('VI'), Net('VO'), Net('GND')\n\n# Create two resistors with values and footprints\nr1, r2 = 2 * Part(\"Device\", 'R', dest=TEMPLATE, footprint='Resistor_SMD.pretty:R_0805_2012Metric')\nr1.value, r2.value = '1K', '500'\n\n# Connect the circuit elements.\nvin \u0026 r1 \u0026 vout \u0026 r2 \u0026 gnd\n\n# Or connect pin-by-pin if you prefer\n# vin += r1[1]\n# vout += r1[2], r2[1] \n# gnd += r2[2]\n\n# Check for errors and generate netlist\nERC()\ngenerate_netlist(tool=KICAD9)\n```\n\nFor a more complex example, here's a two-input AND gate built from discrete transistors:\n\n![AND Gate Diagram](https://raw.githubusercontent.com/nturley/netlistsvg/master/doc/and.svg?sanitize=true)\n\n```python\nfrom skidl import *\n\n# Create part templates\nq = Part(\"Device\", \"Q_PNP_CBE\", dest=TEMPLATE)\nr = Part(\"Device\", \"R\", dest=TEMPLATE)\n\n# Create nets\ngnd, vcc = Net(\"GND\"), Net(\"VCC\")\na, b, a_and_b = Net(\"A\"), Net(\"B\"), Net(\"A_AND_B\")\n\n# Instantiate parts\ngndt = Part(\"power\", \"GND\")             # Ground terminal\nvcct = Part(\"power\", \"VCC\")             # Power terminal\nq1, q2 = q(2)                           # Two transistors\nr1, r2, r3, r4, r5 = r(5, value=\"10K\")  # Five 10K resistors\n\n# Make connections - notice the readable topology\na \u0026 r1 \u0026 q1[\"B C\"] \u0026 r4 \u0026 q2[\"B C\"] \u0026 a_and_b \u0026 r5 \u0026 gnd\nb \u0026 r2 \u0026 q1[\"B\"]\nq1[\"C\"] \u0026 r3 \u0026 gnd\nvcc += q1[\"E\"], q2[\"E\"], vcct\ngnd += gndt\n\ngenerate_netlist(tool=KICAD9)\n```\n\n## Advanced Features\n\n**Hierarchical Design**: Create reusable subcircuits and build complex systems from modular blocks.\n\n**Part \u0026 Net Classes**: Apply design constraints, manufacturing requirements, and electrical specifications systematically.\n\n**Smart Part Libraries**: Search parts by function, automatically assign footprints, and access any KiCad library.\n\n**Multiple Output Formats**: Generate netlists for KiCad, XML for BOMs, or go directly to PCB layout.\n\n**Visual Output**: Create SVG schematics, KiCad schematic files (currently V5 only), or DOT graphs for documentation.\n\n**SPICE Integration**: Run simulations directly on your SKiDL circuits.\n\n## Installation\n\n```bash\npip install skidl\n```\n\nSet up KiCad library access (optional but recommended):\n\n```bash\n# Linux/Mac\nexport KICAD_SYMBOL_DIR=\"/usr/share/kicad/symbols\"\n\n# Windows  \nset KICAD_SYMBOL_DIR=C:\\Program Files\\KiCad\\share\\kicad\\symbols\n```\n\n## Getting Started\n\n1. **Learn the basics**: Check out the [documentation](http://devbisme.github.io/skidl) for comprehensive tutorials\n2. **Try examples**: Explore the `tests/examples/` directory in the repository\n3. **Get help**: Join discussions in our [user forum](https://github.com/devbisme/skidl/discussions)\n4. **Convert existing designs**: Use the `netlist_to_skidl` tool to convert KiCad designs to SKiDL\n\n","funding_links":[],"categories":["electronics","Circuit Compilers","Python","Tools"],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdevbisme%2Fskidl","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdevbisme%2Fskidl","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdevbisme%2Fskidl/lists"}