1. Materials we need in this project:

2. Circuit diagram

3. Steps

4. Finished

Product list:

arduino uno       https://www.utsource.net/itm/p/7929944.html

sound sensor    https://www.utsource.net/itm/p/7959361.html

relay                    https://www.utsource.net/itm/p/8673177.html

jumpers wire     https://www.utsource.net/itm/p/7961311.html

More details, pls check it on Youtube: