8-to-3 decimal to BCD encoder made with 4 gate OR - positive logic 74HC148 emulation

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02:00:33

Upper left input is 0. Lower left input is 7.  Upper led is 1, middle led is 2 and lower led is 4. Use one input at a time. Is an emulation of a 74HC148 encoder chip, but with positive logic.

published 9 years ago

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