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Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
Sound Detection Sensor Module for Arduino RPi Other Microcontrollers fire Compatible with 3Doodler Start 3D Model:15 Pcs 6mm Mixed 2607017471 Compatible with 3Doodler Start 3D Printing Pen Power: 5V 2 Single channel signal output A sound sensor is defined as a module that detects sound waves through their intensity and converts it to electrical signals
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