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Grove - Sound Sensor
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Grove - Sound Sensor

The Sound sensor module is a simple microphone. Based on the power amplifier LM358 and an electret microphone, it can be used to detect the sound strength of the environm..

$6.38 Ex Tax: $6.38

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Grove - Loudness Sensor
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Grove - Loudness Sensor

The Grove - Loudness Sensor is designed to detect the sound of environment. Based on LM2904 amplifier and a built-in microphone, it amplifies and filters the high frequen..

$7.48 Ex Tax: $7.48

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Voice Recorder Module
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Voice Recorder Module

Wanna buy a simple & practical voice recorder? This one is right for you! The voice recorder module supports 4 controlling modes (Arduino, AT command, on-board buttons, a..

$12.25 Ex Tax: $12.25

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