In order to make it the most invisible as possible, the best way is to use analogic pressure sensors, which can sense automatically if the user is on the right place, without the need of the lateral sides.
Every time a new user is on the first two footprints, the platform checks the weight. So on the next steps, it is possible to know if the user is on the right step or not. Obviously the calibration is essential, and when the weight is at least of 70 % on the right brick in the right moment, we can be sure of his performance. In this way it is possible to remove the external light sides.
In order to make it work outside, it has to avoid many possible accidental problems. Especially in this case, where many people use to drink around the platform, it is a good way to make it water proof. Using silicon on the wires could be one good material to achieve this purpose.
Other technologies concern about a good audio system to listen to gobbo’s voice and more powerful leds on the output light, which is possible to see it clearly.
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