It looks like you mistyped the URL in your address bar or have followed an old bookmark.
Sandeep Mistry uses a SparkFun AzureWave Thing Plus to combine real-time audio, AI/ML, DSP, and Wi-Fi connectivity technologies together to get notified when your doorbell rings while you're away.
Our very own Pete Lewis's audio project has been featured on IEEE! Learn more here about building your own hi-fi ear defenders.