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Impulse III Metal Detector short Review

January 20, 2023 by Mirko Pavleski
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A miniature inexpensive module that by adding a battery and a coil you can turn it into a Metal Detector with excellent features.

   Recently, quality metal detector modules have appeared on the market for a very low price. Almost no knowledge of electronics is required to make the final product. This time I will present you one such module and I will try to briefly capture its features.

 The coil is identical to the one I use in my DIY Pulse Induction Metal Detectors, and This coil dimension represents a kind of compromise in relation to coils specialized for detecting small objects (which are mostly of smaller diameter), and those made for detecting larger massive objects at a greater distance (in these the diameter can be 1m or more ).

 If you want to make a PCB for this project, or for any other electronic project, PCBway is a great choice for you. PCBway is one of the most experienced PCB manufacturing company in China in field of PCB prototype and fabrication. They have a large online community where you can find a Open Source projects, and you can also share your project there. From my personal experience I can tell you that on this community you can find many useful projects

  The detector worked immediately after switching on, but only required some adjustment.

  As in the previous review for the Clone Pi-W Metal Detector, I am really pleasantly surprised by the features such as sensitivity and stability in operation, considering that it is a very inexpensive module, and to make a complete mid-range metal detector we need almost no knowledge from the field of electronics. This time I would like to emphasize that the results were a little better, but in real conditions, in moderately wet soil, many false alarms occur, so to avoid that, filters are used that also slightly reduce the sensitivity. Thus, the final result when comparing these two metal detectors is almost identical.

  All we have to do is solder a few wires, and the only thing is to be very careful about the polarity of the battery.

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