Видео с ютуба How To Make Wireless Tester ( Bc547)

How to Make a Wireless Current Detector | BC547 Transistor Circuit

How To Make Wireless 🛜 Tester Circuit Using BC547 Resistor (AC Voltage Tester Circuit)

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Схема беспроводного тестера 220 В переменного тока с использованием резистора BC547 / Схема беспр...

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Electricity Detecting Machine 🔥| Wireless Rechargeable AC Current Detector using BC547 Transistor

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Amazing Wireless Voltage Detector, Home Made Non Contact Tester #BC547