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 ...

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

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.