![]() ![]() The method of working with the metal detector is as follows. Generally the device works with any coil and the frequency can be adjusted from 15kHz to 20kHz. Step 1: Description The device described above is very simple and contains a detector part consisting of a transistor, a ferrite core with windings and several more passive elements, and an Arduino Nano microcontroller with signaling elements and a calibration switch. Using this detector, different types of coils and different sizes have been tested (when changing the coil, the variable resistance R1 must be tuned), the coil (200 mm diameter, 80 turns with wire diameter 0.5mm), the pinponter detect a PCB board at a distance of 300 mm. Pyle Metal Detector Pinpoint- Handheld Metal Detector Pinpointer. The device Consumes about 5.5 mA and with the sound and light signal is around 10.5 mA.Īfter installing the device it will look exactly like the one in the following picture: Shop By RoomNEW Order Status Weekly Ad Find a Store Gift Cards. ![]() The value of the R3 is selected according to the maximum sensitivity for the search coil made from 5 cm ferrite rod, 8 mm of diameter and 320 turns using a 0.3 mm insulated copper wire.Īn additional coil can be made on a 40 turns with an insulated copper wire of diameter 0.14 mm and 150 turns and the resulting frequency is about 20 kHz. This in-the-field video looks at the benefits of using a metal detector pinpointer & the types of features you can choose from. The following table can be used to assemble the necessary parts of the device. We take a look at our top 5 best metal detecting pinpointer picks.Links to the items in this video are below:1.
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