We designed and built button based tangible user interfaces (TUIs) for mood self logging. Currently our mood TUI has 3 off the shelf bluetooth buttons that correspond to happy, neutral and sad mood states. When a user presses any of the buttons, it communicates to the raspberry pie microcontroller which then logs this data on the web server. We have designed and 3D printed three geometries (horizontal line, vertical line and triangular) as holders for the buttons. These 3 TUIs are currently being pilot tested inside our building near the entrance, exit and at the coffee machine.

Tangible buttons for self reporting mood at the OU

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