Ultrasonic payment demo

An experiment in using acoustic data transmission to send a Stripe payment link via ultrasounds.

A website is open on both a merchant's device (e.g. an iPad) and a customer's device (e.g. a phone). The merchant's device acts as the transmitter and the customer's device as the receiver.

To try this demo, you need 2 devices. On each device, visit this website and select either "merchant" or "customer" from the links below: