/diy/ - Do It Yourself

Anonymous Sat Feb 22 14:58:59 2020 No.1771739 [View]
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>>1771300
>able to simply chain the Q8 from the last into the Serial Input of the next.
Yes, indeed this is the great feature for this application. With CD4021 expanding is much easier than with 4017s. For my application (a small game) I can easily make two boards with dual 4021 registers. If I ever add more rotary switches, I can just continue the string with yet another 4021 board.

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/diy/ - Do It Yourself

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