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"Z2" - Upgraded Homemade Silicon Chips

Sam Zeloof · demo · Watch on YouTube

Semiconductors & chip manufacturingEmbedded systems & DIY electronics

What it is

Sam Zeloof shows the upgraded second iteration of his homemade silicon integrated circuit fabrication process, producing chips with around a thousand transistors in his garage. It is a short overview of what the home fab can now do.

Why Hacker News recommends it

HN uses it as the go-to proof that small-scale, hobbyist chip fabrication is real, and as an entry point to the topic.

  • 4 people recommended it
  • 4 different months
  • 1 strong recommendations
  • first 2021, last 2026

What HN commenters said

  1. “It's fantastic and I highly recommend watching it.”

    Homemade chip fabrication in a garage.

    tnorthcutt, 2021-11 · Strong recommendation · in “How to make a CPU – a simple picture-based explanation”

  2. “A guy named Sam Zeloof is fabbing functional chips in his garage.”

    Garage fabbing of functional chips.

    tanseydavid, 2022-02 · Recommendation · in “The Semiconductor Ecosystem Explained”

  3. “This video shows more detail on the rest of the process in a home lab”

    More detail on the process in a home lab.

    reedlaw, 2023-10 · Recommendation · in “How to Make a CPU – A Simple Picture Based Explanation”

  4. “It’s a thoroughly interesting video”

    High schooler builds a semiconductor fab in a garage.

    ghghgfdfgh, 2024-05 · Recommendation · in “How to build a $20B semiconductor fab”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: diy chips, semiconductor fab, integrated circuits, hardware, garage lab

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