What was the challenge or problem to solve?
The objective was to create a metal detector, capable of classifying metallic elements into ferromagnetic steel and aluminum elements, and at the same time, it was possible to implement it in a given application and requirements.
How was it addressed or what was the solution?
The Prototyping team approached the challenge by designing and developing an electronic oscillator circuit consisting of an inductor.
The circuit oscillated at a certain frequency depending on the type of metal detected. This frequency was rectified and read by a high-precision microcontroller, which, by observing the changes in the frequency, detected and classified the analyzed objects.
- Develop a sensor capable of differentiating between metallic and non-metallic elements.
- Classify metallic elements into ferromagnetic steel and aluminum.
- Design of an oscillator circuit based on an inductor.
- Reading the frequency variations produced by the presence of metallic elements with a high precision microcontroller.
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