Metal detector (Homemade) Smart Hunter

RealMetaldetectorSmartHunter-thisappwillhelpyoutobuildametaldetectorveryeasy
Youwillneed:
1-Aarduino
2-AMOSFETirf740(youcanyou,anyyouhavedisponibleMOSFET)
3-Acapacitor1mFand0.47mF
4-Awire(0.54-0.7mm)forthecoils.Weneedmaketo2coils,80turnsboth,ofdiameter160mmboth(formoresensibilityweneedtousebigerdiameter).
5-Aswitch
6-Ahandsetwithminijackof4pins
7-Aresistanceof10k
Howitwork:

MYWEBPAGE:https://www.neco-desarrollo.es

RealMetaldetectorcandetectsmallobjectslikeagoldringatdistanceof20-25cm.
Theobjectswithdiameterof16cm,candetectat50cm.
Theobjectswithdiameterof25cm,candetectat100-150cmofdistance.
Whenmetaldetectordetectanymetallsmartphonedovibrate!

THismetaldetectoriseasytobuildandpowerfull
Ifyouhaveanyproblemforbuildthismetaldetector,pleasecontactus:necodesarrollo@gmail.com
DownloadArduinoSketchhere:
http://neco-desarrollo.es/smart-hunter
DownloadSchematichere
http://neco-desarrollo.es/smart-hunter
Vídeotutorialhere(AtthemomentRussianlanguageandsoonwillavailableinEnglish)
https://youtu.be/vQUgsobQtK0

Inthevideotutorialyoucanseehowitworkandadjustesofmetaldetector.
Forbuildthecoilsweusethewireof0.6mm,butyoucanusefrom0.4to0.7mm
Thecoilsmustbeidentical.
RealMetaldetectorSmartHunterwillhelptofindyourtreasure!!!