Midterm Project
“ Fluffy ”
The Final outcome of the spooky box project,
renamed “ Fluffy ”.
Behind the scenes:
Fabrication:
The box is constructed with plywood pieces in slots with no glues. This way of construction made it easier for us to adjust the sensitivity of the sensor after placing it in the box as well as all the adjustments we made with the housing.
The box is spray-painted post-construction. And the fluffy types are also made using laser cutter.
We added housing for the sensor itself with cardboard to hold the sensor more in place near the “entrance” of the box.
The curtain’s edges are stapled into the wood, and the bottoms of the two sides are weighted with pennies so they will close automatically after the user withdraws their hand from the box.
The materials that interact with users’ hands are feathers and an unbraided rope. We started with only feathers, but we realized that we can barely feel them during testing. We have also tried Q-tips, which displaced the motor due to how hard it is, and some slightly blown balloons. And we landed with the rope at the end. The rope and feather are tied to the motor with a wire.
The codes:
The main issue we were having with the code is (technically) still unsolved. The motor is triggered by the sensor when the sensor has detected motions. But somehow, the sensor will be triggered again 5 seconds after the motion has been detected.
The only solution we came up with is to add an 8 seconds delay to the end of detection to ignore the sensor for 8 seconds.
We also added a 0.5-second delay at the end of the detection, so the motor will be activated half a second after motion detection.
