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How to Use Transistor as a Switch with Example Circuits
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2n3904 transistor pinout, datasheet, specs & equivalent
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led and transistor as switch - CircuitLab
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Turn off an always on led with transistor - Electrical Engineering
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File:Transistor switch circuit photo on.jpg - Wikimedia Commons
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Transistor as a Switch - Using Transistor Switching
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How to Use Transistor as a Switch with Example Circuits
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Driving LEDs on higher voltage | LEDnique
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2N3904 Transistor Pinout, Datasheet, Specs & Equivalent
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Flashing LED circuit using transistors on Breadboard - Basic