The Sound Pressure Level Bricklet can be used to extend the features of Bricks by the capability to measure sound pressure level and sound spectrum. The measured sound pressure level can be returned weighted by the frequency-weighting standards A, B, C, D, ITU-R 468 and flat weighting (Z).
The sensor can be used to measure loudness of music, construction sites, street noises and other environmenstal noises in a variety of weighting standards. It is also possible to determine the frequency composition (spectrum).
Property Value Current Consumption 50mW (10mA at 5V) dB(X) Accuracy* +-5dB, +-5% maximum full-scale error Measurement Range 30dB - 120dB Dimensions (W x D x H) 25 x 25 x 6mm (0.98 x 0.98 x 0.24") Weight 2.6g
* Valid for the range of 100Hz to 8kHz. For details see here.
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