>In the output area I see several ULN200x-s applied. To me it seems
>more obvious to use ULN2803/4 with 8 ports each to 'see' also the
>8th port of the register. Allows the use of the decimal point of
>7-segment displays (as extra boolean indicator), and the use of
>eight discrete LEDs.

Fair enough. Will look into getting those.

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