This is an easy to use and handy Mini Sound Level Meter. Designed for sound quality control that measures sound level from 30dBA up ~ 130dBA. It has auto range, wide measuring and frequency range (31.5Hz ~ 8.5KHz), maximum hold, Frequency Weighting A and Auto Backlight. Just press ..
sound detection module whistle voice-activated switching outputs high and low level DIY
1 can detect ambient sound intensity, usage note: this sound sensor can only identify the presence or absence of (based on the principle of vibration) does n..
ELECHOUSE Voice Recognition Module is a compact and easy-control speaking recognition board.This product is a speaker-dependent voice recognition module. It supports up to 80 voice commands in all. Max 7 voice commands could work at the same time. Any sound could be trained as comman..