/diy/ - Do It Yourself

Anonymous Sun Dec 2 09:21:34 2018 No.1507746 [View]
File: 32 KB, 966x728, Screenshot_48.png [View same] [iqdb] [saucenao] [google]

Ok so I know little about circuits and I have a poor idea of what Im doing but here I go.

Say the decoder output table (y3 y2 y1 y0) is :
HHHL
HHLH
HLHH
LHHH

Which is the same as the encoder input table.
Is the (pull up?) resistor on the left the right way to make the horizontal lines go high when a button on that line is not pressed? Or should each line have it's own resistor?

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/diy/ - Do It Yourself

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