Knock knock Knock knock addresses the problem of Deaf and Hard of Hearing persons missing out on essential sound alerts which excludes them from the sound environment and could be dangerous. We are using Artificial Intelligence (AI) and Internet of Things (IoT) technologies to convey important sounds to the Deaf and Hard of Hearing persons in a way understandable to them Sectors Artificial intelligence, Internet of things (IoT) Location Juja, Kenya Stage Sign in to view details Markets Sign in to view details Customer model Sign in to view details Revenue Sign in to view details Contact Sign in to view details Social media