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"Z2" - Upgraded Homemade Silicon Chips

Sam Zeloof · 2.5M views · 2021-08-13 · 5:46

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Overview

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.

On Hacker News

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

Recommended by 4 HN people across 4 months · HN mentions 2021–2026

Topics

Semiconductors & chip manufacturingEmbedded systems & DIY electronics
Search by tags
diy chipssemiconductor fabintegrated circuitshardwaregarage lab

What people said

tnorthcutt · 2021-11 · Strong recommendation

Mentioned a couple other times in this thread but I don't think anyone has linked Sam Zeloof's video of essentially doing this: [VIDEO] It's fantastic and I highly recommend watching it.

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ghghgfdfgh · 2024-05 · Recommendation

Somewhat related: a high school student creating his own semiconductor fav in his parent’s garage on a "budget". [VIDEO] It’s a thoroughly interesting video, but I’m a bit disappointed he never took his idea any further than he did. I’d really love to see something like a 6502 being made at home.

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reedlaw · 2023-10 · Recommendation

This was mostly about making a silicon wafer. This video shows more detail on the rest of the process in a home lab: [VIDEO] (blog here: [LINK] )

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Sources

Video by Sam Zeloof, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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