What we are doing
Our objective is to move a spherical magnet, which is suspended in a soft gel, in a circular trajectory. The radius of the circle it travels on must be variable, as well as the speed at which it is traveling.
How we are doing it
We are provided with an Arduino micro-computer, a 5-volt stepper motor, a USB camera, a spherical magnet suspended in the soft gel, a larger external magnet, and the various coding environments needed to program these devices. Our approach is to have the external magnet remain stationary while the entire dish containing the spherical magnet spins in accordance with the motor. The position of the sphere will be tracked with the USB camera which will feed information to the image processing software. That software then reports information to the Arduino which controls the motor.
Why we are doing it
This demonstration is a mere toy version of what already being done in the medical field. This extremely precise control has countless applications for surgeries. The main benefit of this precision is that surgery can be less invasive for the patient. This is less work for the surgeon and less risk for the patient.
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