Neat project! thanks for sharing An example of when sonic communication is useful is to bootstrap other communication. During setup, Amazon Dash buttons would

Neat project! thanks for sharing An example of when sonic communication is useful is to bootstrap other communication. During setup, Amazon Dash buttons would listen for data sent over ultrasonic to get network information. https://www.cnet.com/home/smart-home/appliance-science-how-the-amazon-dash-button-works/ https://www.cnet.com/home/smart-home/appliance-science-how-t... I think that's just super cool. (Disclaimer: I work at A->n but not on this in particular, I have only public, consumer knowledge about how this works)