How to build a smart wall
I want to build a smart wall where people can touch a 2 sqft region of the wall and it will detect who touched it and which cell they touched. The wall itself is made of plywood and I have access to both sides. You can think of it like turning the wall into a giant board game, where I have some server behind the wall and when it's a player's turn, they tap a couple of areas to move their game piece. The resulting move is displayed on their mobile phone, so it does not need to be displayed anywhere on the wall.
Given my requirements:
~50cm omnidirectional proximity detection
Uniquely identify each player for stats tracking
As cheap as possible
How can I build this smart wall?
I want to build a smart wall where people can touch a 2 sqft region of the wall and it will detect who touched it and which cell they touched. The wall itself is made of plywood and I have access to both sides. You can think of it like turning the wall into a giant board game, where I have some server behind the wall and when it's a player's turn, they tap a couple of areas to move their game piece. The resulting move is displayed on their mobile phone, so it does not need to be displayed anywhere on the wall.
Given my requirements:
~50cm omnidirectional proximity detection
Uniquely identify each player for stats tracking
As cheap as possible
How can I build this smart wall?
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