Remote Controlled Metal Detector

Android
Arduino
Hardware
IoT

Our project is a digital metal detector mounted on top of a remote-controlled car. The detector utilizes pulse induction to detect metals within a certain frequency. The system can be controlled through an Android application installed on the user’s phone, and communicates with the device over bluetooth. One of the key technologies implemented was allowing the system to be remotely controlled, which the user can, via a directional pad interface on the app. Another feature is that the system is integrated with a Wi-Fi module that allows any data picked up by the system to be transmitted instantaneously to a cloud platform, specifically, the Arduino IoT Cloud. One of our most notable accomplishments was that we successfully built a metal detector from scratch that can be adjusted to account for different sensitivity levels, which was an impressive feat considering the scope of this class. A challenge that we came across was that two of our different blocks required use of the same pins on the microcontroller. We solved this problem by using two different microcontrollers, but in the future, it would be possible to only use one if we had greater foresight.

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Artifacts

Name Description
Arduino Code for LCD and Search Coils We build a Code to search for metals. This was done by an attached speaker that beeped with increasing frequency as the coil's induction changed from the surrounding metals.   Download
Bluetooth Application Code This is the Bluetooth application code that we made through MIT app inventor. With this file you will be able to download the application yourself. You will have to create an account on the MIT app inventor website to do so. You can do so by following this link. https://appinventor.mit.edu/explore/get-started   Download
Project Document For an in depth look at how and why we chose our project. And for instructions on how to implement it yourself including code, schematics, and diagrams you can follow this link.   Link
Project Showcase Video This is an explanation of the project showcase and how we were able to implement the system.   Link
Executive Summary This is our executive summary that recaps our time with the project and the timeline in which we did each section.   Link