The capability to prepare food is a key marker for an independent life but, unless you are going to live on cold food, that means cooking. What could be easier? A temperature sensor and a relay and some bespoke interfacing. Except – ovens, especially built-in ones, are hostile environments for electronics.
A Raspberry Pi + Camera solution to allow someone with advanced MND to alert carers using just blinking.
A blind child wishes to use archery as a means to improve his ability to use sound as a guide to the outside world and to join in sports activities with his peers. A talking archery target advises him where his arrows have struck and how to adjust his aim.
A teacher needed a device to help blind and partially sighted children to practice their ability to locate and identify sounds.