I’m doing a game like the one in the attached picture. The goal of the game is to get to the other side without touching the metal tube with the ring. So I have two questions:
1.- what kind of material go you recommend to use for the tube, I have tried with copper but it sulfates with the time. I want to try with stainless steel or aluminum, but I don’t know if it conducts electricity well enough considering that I want to connect it to an Arduino in a 5V circuit.
2.- I want to put some sensors inside the tube for knowing where the player is, for example in the stars (in the image). The idea is that when the ring pass over the sensors its sense that. What kind of sensors do you recommend? The sensors are going to be inside of the tube so I can’t use infrared LEDs. I was reading something about capacitive and inductive proximity sensors and I don’t know if it serves for this project. Maybe I could use some RFID.
Thanks in advance.