We can use them to cut things, create laser light shows, and also as a rangefinder.[Ignas] wrote in to tell us about [Berryjam’s] AMAZING write-up on creating an Arduino based laser rangefinder.

Aeva Eve 1D, the industry’s first FMCW-based laser displacement sensor designed for high-volume and inline industrial automation applications. World’s First FMCW-Based Sensors Deliver Sub ...