7i84 - matrix keypad possible?

25 Aug 2023 12:22 - 25 Aug 2023 12:37 #278926 by zz912

Replied by zz912 on topic 7i84 - matrix keypad possible?

Hello,

I made with friend this panel:

Can I ask for check? I have never done matrix buttons.

Zdenek

Last edit: 25 Aug 2023 12:37 by zz912.

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25 Aug 2023 12:37 #278927 by tommylight

Replied by tommylight on topic 7i84 - matrix keypad possible?

Vyborne!

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Should be "Awesome".

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25 Aug 2023 12:40 #278928 by andypugh

Replied by andypugh on topic 7i84 - matrix keypad possible?

The matrix looks OK to me. I did check the manual, and you seem to have the diodes pointing the right way:

Inputs are sinking type. That is they sense positive input
voltages relative to field ground.

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25 Aug 2023 12:43 #278929 by zz912

Replied by zz912 on topic 7i84 - matrix keypad possible?

tommylight wrote:
Vyborne!
-
Should be "Awesome".

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