Our challenge was to transform this action to be done electronically. We identified the following actions that need to be done electronically:-1) A pump to drop the ink over the static paper and an ink container as source.
3) A basic on/off switch that can send signal when kept over the switch.
The required codes were plugged in and flashed to check the basic working of the devices which were found to be perfect. The following modifications were to be achieved:-
1)The motor should turn clockwise for X sec and then stay still for Y sec and do the cycle again. The values of X and Y could be changed to ensure that the total time taken was variable
2)The belt drive seemed to slipping a bit. Would need to keep the belt at tension for a perfect drive.
3)The pump outlet needs to be connected to the pressure switch via internet. If the switch is on, pump should be working and otherwise not.
Positioning - Against the initial idea of having a phone stand in the center of table and a canvas holder at the end of table, we decided to use the canvas holder as a representation of Chinese culture and keep the phone rack subtle and below the table. This is due to the fact that the sight of phone itself could be a distraction on the table.
Reward/Censure - We had a few different ideas in mind for the reward mechanism, and tested these out with users. Initially, we wanted to stop the painting completely if any diner lifted their phones. however, this was found to be too harsh and severe of a punishment, and also would have resulted in a very bad experience (say, in case of emergencies which required diners to use their phones).
We settled on pausing the painting if a phone was not in place, but continuing the painting process while all were phones were placed in their holders. This also gave more meaning and relevance to a diner deciding to keep their phone in the holder.
First concern for the architecture was to determine a perfect housing for the motors as they would be under load and need to maintain good tension for a perfect belt drive. Foam Core was used to prototype the idea. For the canvas holder, Chinese architecture was used as an inspiration. This would also give us the flexibility to contain the ink tank within the housing design. The construction was designed into two levels, the top level containing the motors and the belt drive and the bottom level containing the peristaltic pump, tubes and the canvas.
The switch was incorporated within a case meant to house an iphone 5 such that inserting the phone into the case fixed under the table would activate the switch. This was programmed to turn ON the pump via internet.
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