音を検知するのに役に立つのがサウンドモジュールセンサです。基本は検出したかどうかのデジタル値（0 or 1）ですが、音の大きさや向きによってセンサの感じ取り方が変わりますから、工夫するとこんなデジタル値でもいろいろ使えます。 結線図 図1に ...

I have already made some devices using SeeedStudio’s Seeeduino Nano microcontroller boards and Grove Sensors. In this post I am going to show you how to make a simple sound activated electronic switch ...

There was an error while loading. Please reload this page. This project uses an Arduino board and an analog sound sensor to detect surrounding noise levels and ...

To capture an instant on film or sensor with a camera, you usually need a fast shutter. But alternately a flash can be triggered with the scene in the dark and the shutter wide open. It’s this latter ...

This project is an interactive Arduino-based piano that plays musical notes and a song stored on an SD card. It also includes a sound spectrum visualizer using an LED matrix, which reacts to the audio ...

This post describes the preliminary results of a small Hall-Sensor module. This is widely known as KY-024 module. The KY-024 sensor module I got from an online retailer is inexpensive, and the ...