I am building a project, What material is needed to build this kind of device where if it hears a particular sound for example a clap, it triggers it and the beep goes off, the radius I want the device to work is 25 ft and under. It seem like a simple concept , but I am not an electrician nor an engineer, I have no clue what kind of component is needed for this kind of project.
Thanks in Advance
Thanks in Advance