In the overview diagram I am unsure of this connection:

Is this a link (single wire per multiplexer) back to the Arduino Mega?

Is there a preferred range of connection. Analogue, Digital or Communication?

Thanks

Kev

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1 Answer

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Hi, Kev,

these are the digital controller input/output pins.
https://simvim.com/comp/ext_board_in.png
https://simvim.com/comp/ext_board_out.png
or for stepper-boards
https://simvim.com/output/sv_steppers.png
(DIR>Pin #13 on stepper-board).
Here it is the "S-line" to a controller pin:
https://simvim.com/output/svc_leds.png.
All digital pin.

Frank
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