Homemade Transistor from Cadmium Sulfide Photocell (2009)
By thenthenthen · 2026-06-29 · 5 points · 4 comments
http://sparkbangbuzz.com/cds-fet/cds-fet.htm
By thenthenthen · 5 points · 4 comments · on Hacker News, read on BetterNews.
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