Unbelievable! My Homemade Gold Detector Led Me to a Hidden Fortune!
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How to make a metal detector with 2 transistors-BD 137, C 945
DIY METAL DETECTOR, Gone Wrong and Right!!
I Built a DIY Metal Detector Using Only Transistors
I Turn Tv Remote Control into a Gold and Metal Detector
ساخت مدار فلزیاب و طلایاب تشخیص دهنده طلاه نقره آهن .. Making metal detector and gold detector 🪙🪙🪙🪙🪙
I turn SPEAKER into a powerful metal detector
PAANO PALAKASIN ANG POINTER!!!!!!!
C1815 metal detector connect to radio