The sketches for the design of the 4 instrument.
The guitar rail unit for the pinball design.
The dinosaur theremin unit. design of the spine and the body, hidden iside is the core of arduino.
The octopus unit. Design
When searching for plastic pipe for the frame, I have came across the metal pipe parts at a store. A sudden thought of using metal for the device. I got enough parts for making a cube frame, the Arduino module can be at the center of the frame. While the speaker can go inside with the cables going into the hole of the pipe.
Arranging the Arduino and Solenoid system on the Stratocaster. The idea is to create a pinball system on the guitar fret. However, th sound is not remarkable as it only acts as a sliding sound.