That makes it ideal for applications like robotics or controlling smart blinds that react to light. With me so far? Here is a ...

Powered by an Arduino Uno, the light painter provides a user interface ... We covered the original Adafruit project that [Reven] based his code all the way back in 2013, though there’s certainly ...

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.