Welcome to the Arduino Sound-Activated Projects repository! This repository contains Arduino sketches for creating interactive projects using sound sensors and relay modules. These projects are ...

[](https://youtu.be/CbovaHqvdsM) [YouTube video](https://youtu.be/CbovaHqvdsM) KY-038 (KY-037) Sound ...

The need for home security alarm systems nowadays is a serious demand. As the number of crimes is increasing every day, there has to be something that will keep us safe. A motion sensor dog barking ...

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 ...

Perfect for beginners, this all-in-one package includes essential components like sensors, relays, LEDs, and more, making it ideal for hands-on learning and creative DIY projects. Rajguru Electronics ...

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 ...

The Circuit diagram of smart whistle counter is shown in figure-1, It is based on Arduino Mega 2560 board. LM393 based sound sensor module is used for detection of sound of whistle. It operates at 5V ...