Music can touch you deeply and leave its mark. I created a robot tattoo machine that can play music and tattoo skin. This is a far more literal version of art leaving its mark on you. The song you hear is actually coming from the motors of the machine as they make different pitches when…
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Arduino Automated Projector Screen
My roommates and I used an Arduino Uno to run a stepper motor geared to a projector screen. I laser cut and 3d printed the gears for the assembly. It is a 4:1 gear reduction for more torque when pulling the screen up. The entire build is powered off of a 24v dc power supply….