We actually iterated a bit on the design since then and removed the dependencies on door hinges and paper plates. The revised^3 design involves scotch tape and a paperclip instead.
I think two mirrors at an angle would provide an opportunity to get much better precision in estimating the location on the screen being touched. Wondering if you have tried that.
We actually iterated a bit on the design since then and removed the dependencies on door hinges and paper plates. The revised^3 design involves scotch tape and a paperclip instead.
https://www.youtube.com/watch?v=h6tgFeBjhVg