Sensing where the display is seems pretty cool, but the distance at which this works seems extremely short and sounds like you have to have the display facing d

Sensing where the display is seems pretty cool, but the distance at which this works seems extremely short and sounds like you have to have the display facing down toward the table. You can get something similar for creating touch screen presses from aliexpress as demonstrated in this mikeselectricstuff video - https://www.youtube.com/watch?v=ugPr3HV4yBc https://www.youtube.com/watch?v=ugPr3HV4yBc