“This product alerts the user when they are speaking too loudly via two LEDs. Louder voices spread more viral particles, so quieter is safer.
In this pandemic it is important to take reasonable measures to reduce spreading viruses. A paper from 2019 found that louder voices spread more viruses (https://www.nature.com/articles/s41598-019-38808-z) [Asadi et al. 2019].
This simple project aims to remind people to not shout unnecessarily. This can be used in classrooms, meeting rooms or any other setting where people are talking.”