With this sound activated switch, control by sound may be very useful, not just on a robot but also for a bit of home automation, for example a sound-activated light responding to a knock on the door ...

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 ...

Four Senior School Students, of the science department, Federal Government College, Ijanikin Lagos, were the cynosure of all eyes at the just concluded second National Education Innovation exhibition ...