Gravity: Analog Sound Level Meter _MAKE_SOLDER check out the Beocreate 4-channel

check out the Beocreate 4-channel amplifier

Low standby current: 1

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Gravity: Analog Sound Level Meter _MAKE_SOLDER check out the Beocreate 4-channelThis 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