Very simple code for cd74hc4067 needed....please!!! Input selector

Using Arduino LEDs and Multiplexing
1

Hello all,

I am hoping that there is someone here that can help as I am brand new to the whole world of Arduino. Wiring and hardware is no particular problem but I am having a bit of trouble with coding.
To explain;

I have a cd74hc4067 MUX connected to an Arduino Nano and would like to be able to select from specific inputs and route the signal to the output (very simple analogue signals).
Ideally i would like to select from the COM window for now using simple text commands
In effect I would like to create a software 'rotary switch'.
I understand the theory but my lack of coding knowledge is putting the brakes on!!!

Any help that could be offered would be greatly appreciated.

2

Post your schematic and your best attempt at a sketch. Read the the forum rules first so you know how to post code correctly.

3

The 4067 expects 4-bit binary (nibble) to select the 16 inputs.
There are lots of binary counter examples with LEDs around. Google it.
Leo..

4

I understand the theory of what needs to be done..... I need a starter piece of advice on how to cycle through the 4bit input sequence. I will not need to read any data as the signal will just be passing through the MUX.
As I haven't coded for over 25years I am really just after some pointers and if those aren't forthcoming then a forum that can help with absolute beginners.

5

Welcome to Arduino land B1mb0!

Edit:
Shows 1 to 16 outputs, and 16 to 1 inputs and 16 Analog i/ps to A0

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