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Simple pin pointer metal detector

DIY Pinpointer Metal Detector in 5 Min – Finds Coins with Ease! 🧲💰

Very simple metal detector 1 transistor tip41

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Радиоподключение к металлоискателю

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Самодельный металлоискатель

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DIY Metal Detector |DIY pin pointer | Can also distinguish between Ferrous and Non-Ferrous Metal

How to make Gold Detector using TV remote | Gold Detector | Metal Detector |

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diy metal detector | diy metal detector with Tip41

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metal detector Pendeteksi logam sederhana yang bisa membedakan 3 jenis benda

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