Gravity: Analog Sound Level Meter 模擬聲級計 分貝計 噪音感測器

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Analog Sound Level Meter 模擬聲級計 分貝計 噪音感測器

麥克風上的黑色膠片是一個敏感組件，請勿用指甲或其他尖銳物體觸摸它。 請勿將此模塊放置在導體或半導體的表面上，否則會使麥克風的引腳短路。建議將此模塊放在乾燥的絕緣體表面上或用尼龍柱固定以懸掛在空氣中。

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Gravity: Analog Sound Level Meter

This is an Arduino compatible sound level meter(also known as decibel meter, noise meter). It uses instrument circuit and low noise microphone, which enable it to accurately measure the sound level of the surrounding environment. It can be applied to environmental noise testing, such as highway noise monitoring station, bedroom noise monitoring, etc.

Nowadays, there are many kinds of sounds surrounding, some of which are really noisy. It is really essential to measure whether the sound is noisy enough to do damage to our health.

Sound level meter (also known as the decibel meter, noise meter) is a basic noise measurement instrument. We have launched a sound level meter, which is compatible with Arduino, plug-and-play. It can accurately measure the sound level of the surrounding environment. This product uses instrument circuit, low noise microphone, which make it highly precise. It supports 3.3~5.0V wide input voltage, 0.6~2.6V voltage output. The decibel value is linear with the output voltage, which leads to a simple conversion, without complex algorithm. The connector is plug-and-play, without welding, so this product can be easily used in your application.

Sound level meter is widely used in environmental noise detection, such as highway noise monitoring station, room noise monitoring and so on. It’s time for you to DIY a sound level detector to protect your hearing.

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