As a kid I was fascinated by a toy music car which gets triggered when you clap your hands, and then as I grew up I wondered if we can use the same to toggle lights and fans in our home. It would be ...

There are several water fountains which unconditionally sprinkle water with some interesting lighting effects. So I wandered about designing an innovative water fountain which can respond to external ...

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 ...

This software allows a user to configure noise gates, and show a different colored indicator (green, yellow, or red) to indicate if the noise level in a room is too high. The intended purpose was for ...

What are the types of sound sensors? There are different types of microphones that are known as sound sensors like dynamic, condenser, ribbon, carbon, etc. What are the advantages of a sound sensor?

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 ...