For a small hobby project I would like to use a resistive touch overlay. However, sourcing the correct size seems near impossible. Can I cut a resistive (4-wire) touch screen to fit?
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No. The edges of a resistive touch overlay are important. They carry the conductors that connect to the resistive layers.
Those white traces around the edge are conductors, and are necessary for the overlay to work. If you look carefully, you can actually see which wire corresponds to which axis and side.
Keep in mind that you can always use an overlay that is larger than your screen, as long as you have an enclosure that will fit/hide the excess overlay. You can simply scale the input position to ignore the outside regions.
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Why I can't glue conductors back (using conductive glue)? Or made them from metal? – bukkojot Jun 19 '20 at 00:45