Button Box (Pro Micro) Wiring

Using Arduino Project Guidance
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Hey there!

So this is basically my first hardware project and I think it's coming along, but before I go ahead and try to put the theory into practice, I would like to verify my wiring first. I wanted to build a USB Button-Box for Euro Truck Simulator 2, with ignition, buttons and toggles and my research led me to the Pro Micro

So this is basically what I'm trying to do

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(Bottom left is supposed to represent a usual ingition switch. The toggle (Ignition) and the push button (engine start) when turning the key all the way)

I basically copied the wiring from an older video I've found and switched it up a bit

It would be nice if more experienced users could answer me if this could work. Each button should be able to trigger a keyboard key or or a sequence of keys. Also, can toggles be programmed to fire a different sequence when turned off?

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Basicaly You want to read 13 buttons. Generally, that's no problem using most Arduinos. You need 4 outputs and 4 inputs to read that matrix. Check Your Arduino for that.

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Thank you for your answer! The board on the picture is the exact one I have here right now. If I understand correctly, I can basically read if any two of the blue marked pin holes (left picture) are connected?

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Search for using matrix keyboards and Arduino.The picture looks like a matrix setup.

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Sam Ting

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https://gammon.com.au/forum/?id=14175

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