Final prototype
Steli‘s final prototypes work thanks to two Arduino boards, and each controls serveral sensors: a microphone, five flex sensors, and five LEDs stripes. Those microcontrollers are connected to two computers, a Mac and a Pc, which exchange data via Wi-Fi.
Stelo
This video shows how we built our Steli.
A Stelo has an internal structure made of a handmade plexiglass stick. On the most flexible part of it a flex sensor was fixed together with a LEDs stripe at its very top. The stick has a square section and on two sides presents two grooves, where the LEDs and all the wires have been placed.
Once all the technological parts were fixed, the stick was inserted inside a green plastic tube and the top of the tube covered with a plastic cap.
The box
Every single component of the prototype has been hidden inside the boxes.
Each box is divided inside in two planes: the upper one contains the blocks for the steli blades, the speakers, the LEDs’ power pack and a power strip. In the lower one there are the computer, the Arduino board and the breadboard with all the circuits. The whole structure is realised in cheap wood, that has been then finished and polished with a special treatment to make it look like walnut wood.
Details
The solenoid
To limit the budget costs we didn’t buy all the solenoids necessary for the two installations. Nonetheless, a mock up of the solenoid structure (shown below) was realised so as to prove the feasibility of the concept.
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