A Cross Platform and Open Source Electronics Design Automation Suite

KiCad

KiCad

  -  1.2 GB  -  Open Source
  • Latest Version

    KiCad 8.0.4 LATEST

  • Review by

    Sophia Jones

  • Operating System

    Windows 8 (64-bit) / Windows 10 (64-bit) / Windows 11

  • User Rating

    Click to vote
  • Author / Product

    KiCad Team / External Link

  • Filename

    kicad-8.0.4-x86_64.exe

KiCad is an open-source electronic design automation (EDA) software suite used for creating schematics, printed circuit board (PCB) layouts, and more.

KiCad Screenshot 1

Initially developed in 1992 by Jean-Pierre Charras, KiCad for PC has evolved significantly over the years, becoming one of the most popular tools for electronics hobbyists, engineers, and professionals alike.

Its robust feature set, combined with its open-source nature, makes it a versatile choice for PCB design, capable of handling both small-scale and complex projects.

Main Features

Schematic Capture

KiCad's Eeschema module allows users to create complex circuit schematics with ease. It includes a wide range of components and supports custom symbols. Users can easily create and manage hierarchical designs, which is particularly useful for large projects.

PCB Layout

The PCBNew module is where the magic happens for PCB design. It supports multi-layer boards, differential pair routing, and high-speed design. The interactive routing tool offers real-time design rule checking, ensuring that your design is manufacturable.

3D Viewer

It includes a powerful 3D viewer that lets you visualize your PCB in a 3D space. This feature helps in understanding the placement of components and verifying the physical layout before manufacturing.

Library Management

It provides extensive libraries of components, footprints, and symbols. It also allows users to create and manage their own libraries, ensuring that you have the exact parts you need for your design.

SPICE Simulation

This program integrates with Ngspice for circuit simulation, allowing you to test your circuits before building them physically. This feature is invaluable for verifying the functionality of your design.

User Interface

KiCad’s user interface is clean and functional, though it may seem a bit overwhelming to beginners due to the vast array of tools and features available.

KiCad Screenshot 2

The interface is divided into different modules—Eeschema for schematic capture, PCBNew for PCB layout, and more—each with its own set of tools and options.

The learning curve can be steep, but once familiar with the interface, users will find it highly efficient and customizable. It supports multiple windows and tabs, allowing for easy navigation between different parts of a project.

Installation and Setup

Download: Visit the official website or FileHorse and download the installer for your operating system.

Installation: Run the installer and follow the on-screen instructions. The installation process typically takes a few minutes, depending on your system.

Initial Setup: Upon first launch, it prompts you to configure the default libraries and settings. This step is crucial as it ensures you have all the necessary components and tools available.

Getting Started: It offers a range of tutorials and documentation to help you get started. It’s recommended to go through these resources to familiarize yourself with the software.

KiCad Screenshot 3

How to Use
  • Create a Project: Start by creating a new project. It organizes everything into a project directory, making it easy to manage files.
  • Schematic Design: Use the Eeschema module to create your circuit schematic. Add components from the library, connect them using wires, and assign footprints to each component.
  • PCB Layout: Once your schematic is complete, switch to PCBNew to start laying out your PCB. Import the netlist from Eeschema and place your components on the board. Use the routing tools to connect the components.
  • 3D Visualization: Use the 3D viewer to check your PCB layout in a three-dimensional space. This step is essential for ensuring the physical design meets your expectations.
  • Manufacturing Files: Generate Gerber files and other necessary manufacturing files from PCBNew. These files are what you will send to your PCB manufacturer.
FAQ

Is KiCad suitable for professional use?
Yes, this program is widely used by professionals for commercial projects. Its feature set is robust enough to handle complex designs, and being open-source, it receives continuous improvements from the community.

Can I import projects from other EDA tools into KiCad?
It supports importing designs from other EDA tools like Eagle. However, the import process might require some adjustments to ensure compatibility.

Does KiCad have simulation capabilities?
Yes, it integrates with Ngspice for SPICE-based circuit simulation. This feature allows you to simulate and verify your circuits before building them.

Is there a limit to the size or complexity of a project in KiCad?
No, the app does not impose any artificial limits on the size or complexity of your project. It can handle multi-layer boards, high pin-count components, and large designs.

How can I learn KiCad efficiently?
The community offers extensive documentation, tutorials, and forums. Additionally, there are many video tutorials available online that can help you learn the software quickly.

Alternatives

Eagle: A popular EDA tool by Autodesk, Eagle offers similar functionality but comes with a steeper price tag and limitations on board size in the free version.

Altium Designer: Altium is a high-end EDA tool used by professionals in the industry.

Fritzing: Fritzing is an open-source tool designed for beginners and hobbyists.

Pricing

This software is completely FREE and open-source, with no restrictions on its use. This makes it an attractive option for both hobbyists and professionals who need powerful PCB design software without the high cost.

System Requirements
  • Operating System: Windows 11, 10, 8 or 7
  • Processor: 1 GHz or faster processor
  • Memory: 2 GB RAM minimum (4 GB or more recommended)
  • Storage: 2 GB of available disk space
  • Graphics: OpenGL 2.1 or higher-compatible graphics card
PROS
  • Free and open-source
  • Robust feature set for professional use
  • Multi-platform support
  • Extensive community resources
CONS
  • User interface can be overwhelming at first
  • Occasional bugs and glitches
Conclusion

KiCad is a powerful and versatile EDA tool that is well-suited for both beginners and professionals. Its open-source nature, combined with a comprehensive feature set, makes it an excellent choice for PCB design.

While it has a learning curve, the benefits of using this program far outweigh the initial challenges. Whether you’re working on a small hobby project or a complex commercial design, it provides all the tools you need to bring your ideas to life.

Also Available: KiCad for Mac

  • KiCad 8.0.4 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    KiCad 8.0.4 Screenshot 1
  • KiCad 8.0.4 Screenshot 2
  • KiCad 8.0.4 Screenshot 3

What's new in this version:

General:
- Add sorting to library tree columns
- Fix ellipse angles when importing DXF
- Improve alignment between arcs and segments and of odd-width lines in Cairo GAL.
- Improve alignment between arcs and segments and of odd-width lines on fallback rendering.
- Try harder to keep searchable text hidden in SVG exports.
- Fix crash in wxSocketBase when the event handler has been destroyed
- Support hidden footprint libraries
- Ignore hidden text fields when cross-probe zooming
- Correctly scale custom cursors for HiDPI

Schematic Editor:
- Fix crash when symbol updated while field editor open
- Incremental connectivity fails to update subgraph when removing power symbol
- Store sub-sheets at correct location when importing Eagle schematic with multiple pages
- Fix symbol browser performance issue with ODB library
- Handle symbol DNP attribute correctly in symbol field editor
- Propagate netclasses correctly through hierarchical pins in connectivity algorithm
- Resolve netclasses correctly
- Fix issues that can crash the editor on closing.
- Respect schematic settings for hidden pins
- Resolve worksheet variables in symbol fields
- Display unit name in symbol context menu
- Correctly propagate netclasses through hierarchical pins using incremental connectivity

Spice Simulator:
- Show correct graph when sweeping multiple DC sources
- Show correct simulation units
- Don’t use SI prefixes with degrees when auto-ranging
- Correctly write phase/gain signals to workbook
- Don’t assume AC gains will always be voltages
- Don’t lose value of cursor checkboxes when running simulation
- Fix power port styles when importing Altium schematic
- Allow not internally connected pins to be stacked.
- Fix Eagle importer incorrect symbol value field text and visibility
- Improve error message when trying to Open non-KiCad schematic files
- Fix excessive simulation error dialog size when error message is too long
- Fallback to scientific notation when fixed-point strings are too long
- Fix unhandled exception warning

Symbol Editor:
- Allow rotation of fields in derived symbols
- Make align elements to grid correctly align pins
- Fix crash due to null pointer dereference
- Make first attempt to edit arc work correctly

Board Editor:
- Don’t suppress hole plotting for utility layers
- Improve Eagle rotated text importing
- Process clearance rules for plated holes in router
- Fetch board finish before exporting stackup to clipboard
- Delete tuning patterns when performing "Unroute Selected"
- Fix net inspector when sorting by name
- Fix inconsistent track selection behavior
- Trim trailing punctuation from documentation URLs so they function correctly
- Fix crash after shape fillet and undo operation
- Setup 3D canvas for footprint chooser previews
- Don’t plot rule areas
- Fix incorrect plot drill mark in some cases.
- Implemented flip for tuning patterns.
- Undo and then redo a length tuning or group operation removes the generator/group
- Don’t generate thermal reliefs for pads that don’t intersect zone
- Prevent importing a third party layout taking several hours
- Fix Eagle board import bottom layer text with wrong rotation
- Make sure polygon fill is contained within the outline when importing Altium PCB.
- Check mask apertures on the mask layer.
- Don’t report reasonable solder mask bridges in a net-tie footprint.
- Render holes properly in multiple PCB layouts
- Optimize courtyard clearance tests when moving a board
- Ensure reserved characters are not used in Gerber field strings
- Respect zone fill clearance in custom DRC rule "enclosedByArea"
- Show footprints in footprint chooser
- Don’t flip alignment of non-side-specific text
- Improve consistency of clearance line painting
- Don’t fail automatic placement when the PCB area is defined by a footprint
- Take footprint edge cuts into account in the board statistics
- Fully expand all text variables in 3D output
- Don’t list IPC-2581 import which is not supported
- Handle pie charts in Altium import
- Subtract all holes in board area calculation
- Reload footprint from disk to update footprint browser preview
- Fix crash after editing footprint on board and closing the editor
- Handle arcs correctly in differential pair DRC
- Handle footprint vias in Altium importer
- Handle text boxes in Altium importer
- Properly fill zone between knockout text
- Fix missing via drill mark when plotting to DXF
- Correctly import Altium "vias6" stream
- Prevent text color changes from creating broken board files

Footprint Editor:
- Fix footprint DRC to detect pad issues

3D Viewer:
- Honor shift-key for spin buttons in 3D preview
- Rescale canvas when dragging between displays with different scale

Command Line Interface:
- Obey --drill-shape-opt argument when exporting PDF
- Make sure variable overrides get synchronized to board properties
- Fix invalid ERC exclusions
- Fix crash when the --precision parameter units was inches.

Windows:
- Build with wxWidgets version 3.2.5