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How To Make A LED VU Meter At Home | No IC,Transistor - YouTube
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Simple vu meter using 2n3904 transistor
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VU meter using one transistor - YouTube
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Simple VU-Meter Circuit
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Simple VU Meter Circuit – Jeff Thompson
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VU-meter (transistor schematic) - YouTube
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A simple passive logarithmic VU-meter
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How To Make A LED VU Meter At Home | No IC,Transistor - YouTube
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Simple VU Meter using 2N3904 Transistor
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How to Make VU Meter Using Transistor : 10 Steps - Instructables