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Amazon.com: Comimark 1Pcs MCU Adjustable Display Pattern LED VU Meter Level Indicator 16 LED Dual Channel : Electronics
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Mcu Adjustable Display Pattern Led Vu Meter Level Indicator Amplifier Audio 16 Led Dual Channel Green Lamp Light Dc 8v To 12v - Integrated Circuits - AliExpress
LED VU meter not sensitive enough at low volumes | Electronics Forum (Circuits, Projects and Microcontrollers)
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