How To Make Non-Connection AC Line Tester

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  • Опубликовано: 8 фев 2025
  • Equipment :
    1. Battery - 9 Volt
    2. Battery Connector
    3. LED - Red Color
    4. Transistor - c 945
    5. Resistor - 220 k ohm
    6. Copper Wire
    7. Glue Gun
    ETC

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