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.

소음알람장치 원격 모니터링기능

Several sound pressure level values (preprocessed by our embedded measuring device) are plotted

Air & Noise

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

Room Einvir

It's a voice-activated light-sensitive light.Contains a light and sound sensor and an LED actuator.

LED and buzzer connected to Raspberry Pi

Using the electroflash IoT Kit

Monitoring and Measuring Noise Level in Workshop Area By Alkahfi Ariq's Sound Level Meter

Pruebas para un sistema de sensores con ESP8266

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.

Graphs the air, noise , luminosity, temperature, and humidty