Looking for the completed project? Download it from the Chirp PubNub Chat GitHub repo or try the demo.
Chirp’s SDKs allow you to send small amounts of data over sound. It is designed to work in noisy everyday environments and doesn’t require perfect silence to work. In my experiments, I found that my chirps were received in almost every reasonable scenario I tested.
Chirp offers several different protocols you can use. You can select from audible or inaudible near-ultrasonic frequencies.
The Chirp WebAssembly SDK used in this tutorial only supports the
In this tutorial, we are using chirps to transmit a channel and connect users in a chat. Some use cases with Chirp and PubNub could include:
In this tutorial we’ll cover:
Our app will work like this:
There are a few requirements before you can get started:
Continue with part two of this tutorial, Creating a Chat App with PubNub and Chirp.
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