Smart homes have become increasingly popular in recent years. Where once they simply referred to automated systems for things like lighting and heating, nowadays the definition has expanded to include voice assistants and a wide variety of sensors and remotely programmable devices. In the UK, ownership of smart-home devices has doubled in the past five years. However, many experts believe that the true potential of smart homes lies in helping those with special needs, such as older people or those with dementia. The vision is that by helping with daily activities, detecting problems, providing assistance and calling for human backup…