Brillig wrote:Did you get this figured out? I could help if you have not.

Brillig: I am wondering how to do the same thing, can you help? Just a quick hot-to to get me started...

I think I finnally understood what I need to do: I have to connect each button serially to the other buttons in the same column and to the other buttons on the same row. The button at the "head" of the rows and columns connect to the pins. Is that right?

the normal displays have 5 rows and 5 ...

the normal displays have 5 rows and 5 columns (or 6x4 on the -USB ones) when you short a row and a column together, by a wire or keypad that will make the display generate a keystroke. It's actualy very simple... you can use momentary switches to make a keypad if you want.. I'm doing that right now ...

I am looking for solutions to add some custom controls to my PC. I wish I could use the keypad connector and make a custom keypad, but I don't know where to start.

I have read some posts in this board, but I haven't still figured out how to make the matrix circuit and connect switches to it. I am ...