As [Luuk Esselbrugge] explains in a recent blog post, his 2002 Volvo S60 had an optional GPS navigation system ... how he could drive it with the Raspberry Pi and a couple of microcontrollers.

The group has created what they call Green Cane—a Raspberry Pi-powered smart cane with a GPS and notification ... individuals who rely on a cane for navigation. For example, it can send ...

[Clemens Elflein] has taken a cheap, dumb mower and given it a brain transplant based around a Raspberry Pi 4 paired ... controller with support for GPS navigation, using RTK for extra precision.