PI metal detector (Project)

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Attention! This is not a real device - only project for direct manufacturing (PCB and assembling)

Pulse induction metal detector

Model on the New Hobby: NH-126

Type of the components: THT

Number of layers: 2

Dimension of the PCB: 109 x 69 mm

The downloadable ZIP file contain files:




Pick and Place

High resolution schematic

List of components

Short manual

PCB files for printing (top and bottom)

No any brands on the board. 


Low reaction for stones, consist iron and ferrous oxides

Possibility to use small, normal and big coils.

You can use it for:

  - General purpose metal detector

  - Searching on the beach

  - Underwater metal detector

  - Searching meteorites

  - Searching gold (nugget)

  - Detector for deep searching


Model on New Hobby: NH-126

Mode: non-motion

Search coil: RED (not included, choose diameter from the site)

Indication: sound, 10 LEDs

Power: 12V

Consumption: 65-75 mА

Dimensions of PCB: 109 х 69 mm

Dimensions of front panel: 69 х 39 mm

Improved PCB (version 3)

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PI metal detector (Project)

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