ESP8266 NodeMCU based clock, 60 NeoPixels ring display with DHT22, LDR, PIR and Audio sensors. Tracks CheerLights, updates no-IP and posts log data to ThingSpeak and Twitter.
Sound Monitor at Burnham Station; reporting dB next to the CN train tracks - St Charles Air Line
sound level measurement with 4 outdoor class 1 sound sensors in The Netherlands
Monitoring and Measuring Noise Level in Workshop Area By Alkahfi Ariq's Sound Level Meter
Sound in Decibel. Decibel Level: 0-20dB, Description: silence, with hardly any audible sound , Harm: none; 20-40dB, Description: quiet murmur, Harm: none ; 40-60dB, Description: normal indoor conversation, Harm: none; 60-70dB, Description: clamor, l
A project being implemented for IoT lesson in postgraduate studies of A.T.E.I Thessaloniki's on APPLIED ELECTRONIC SYSTEMS. In this project, a KY-038 sound sensor is connected to an ESP32-WROOM-32D development board.
• On Intel Edison, create a client.js program that uses MRAA library to collect temperature, light, and sound data from your Grove Kit sensors. Every 5 seconds, push these data using REST API to the ThingSpeak channel. • On web browser (through ThingSpe