Buttons on an iPad screen - any ideas?
I like to use SkySafari on my iPad to slew and adjust by using the soft buttons on the edges of the screen.
Trouble with touchscreens is they have no tactile reference points so I have to look at the screen and set my finger positions before putting my eye to the eyepiece.
Has anyone tinkered around with ideas on how to put some sort of tactile reference points either on the screen directly, or on the sides so you can feel where your fingers should be?
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