In our diagram, we have three sensor, an IR break beam sensor, a light sensor and a button.
Link to IR break beam sensor:
https://www.youtube.com/watch?v=KdKMR8PdhjQ
The users will put their phones on our social table slots to active the IR break beam, then the stepper rotate clockwise to lower the phones. Then users set up a time for their dinner, after the certain amount of time, the stepper will rotate counter clockwise to lift the phones back up.
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