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Homemade Transistor Demonstration

Jeri Ellsworth · 151.3K views · 2010-05-13 · 3:10

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Overview

Jeri Ellsworth demonstrates a PMOS transistor she fabricated herself in a home chip lab. She shows some of its electrical characteristics.

On Hacker News

HN likes Ellsworth as a hardware tinkerer, and cites the video as proof that transistors can be made with low-tech, DIY fabrication.

Recommended by 2 HN people across 2 months · HN mentions 2013–2021

Topics

Semiconductors & chip manufacturingElectronics & circuit design
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transistorpmoshome chip labelectronicsjeri ellsworth

What people said

gravypod · 2016-08 · Strong recommendation

This channel might be of interest to you: [VIDEO] One of my favorite channels as she's done many projects I've had interest in.

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DanBC · 2013-07 · Recommendation

Jeri Ellsworth, for people who don't know, does really interesting hardware stuff. "TSA body imaging at home" ( [LINK] ) "Home made EL wire" ( [LINK] ) "Recording Audio onto floppy discs" ( [LINK] ) "Home made transistor" ( [VIDEO] ) "Homebrew NMOS transistor" ( [LINK] )

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userbinator · 2021-11 · Reference

Jeri Ellsworth has gone "deeper" into the process and made a few transistors, although at a much larger scale: [LINK] [VIDEO]

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Sources

Video by Jeri Ellsworth, 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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