the problem
Jul 15, 2026why am i building this in the first place?
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status: learning to layout PCB...
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design logs
schematics
Aug 18, 2026motherboard, audio i/o & volume control, and ec11 rotary encoder circuit schematics
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my first driver: ec11 rotary encoder
Aug 12, 2026decoding quadrature signals, contact bounce, and software state tables
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requirements & initial design
Jul 15, 2026core features, pre-amp architecture & high-level outline
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