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my name is Jan Mrázek, but nearly everyone calls me Honza. I am a programmer and maker from the Czech republic.

I consider myself a “proper full-stack developer”. I can go anywhere from designing a custom circuit on PCB, through programming of the microcontroller, to the development of a desktop application up to running web services in the cloud. If I need to, I can even program FPGA, though I don’t prefer to. I am also not afraid of designing mechanical constructions, however, this rather a hobby than something I was educated in and I am a master in. However, I know how to run a mill, lathe, I can program a CNC machine or control a laser cutter.

Do you want to know what I can do? Then

Current projects

  • RoFI my PhD research project about self-reconfigurable robots.
  • KiKit — automation for KiCAD
  • PcbDraw & Pinion — Generator of interactive and beautiful PCB diagrams
  • JlcParts — better search engine for components
  • YSpurGear, YBevelGear, YBlade — a collection of Fusion 360 plugins

Do you miss a functionality in my project?

Consider becoming a GitHub sponsor or hire me to implement a feature of fix a bug. Financial supports allows me to allocate more time for my open-source projects. Feel free to contact me at


  1. KiKit Public

    Automation tools for KiCAD

    Python 964 130

  2. PcbDraw Public

    Convert your KiCAD board into a nicely looking 2D drawing suitable for pinout diagrams

    Python 810 69

  3. jlcparts Public

    Better parametric search for components available for JLC PCB assembly

    JavaScript 284 31

  4. Pinion Public

    Generate interactive and nice-looking diagrams for your PCBs!

    Python 278 13

  5. mgrthesis Public

    My master's thesis on the topic: Distributed Metamorphic Robots

    TeX 1

  6. Aurae Public

    A small wind turbine


2,106 contributions in the last year

Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Mon Wed Fri

Contribution activity

October 2022

Created 6 commits in 2 repositories
1 contribution in private repositories Oct 1

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