Overview
I recently ran into an unexpected problem getting my external switches to work when using two-switch scanning with iPad Switch Control. After wrestling with the problem and eventually fixing it (or at least finding a workaround), I thought I’d share what I learned in case it can save somebody else some time.
Here’s a quick bottom-line synopsis: If you are using a Tapio interface for two-switch input with an iPad, set your Tapio to generate 1 and 2 for outputs, rather than the Space and Enter default outputs.
Read on for more details on the problem and exactly how to implement this solution.
Continue reading “A problem with two-switch scanning in iOS 13 and how to fix it”