With all of the components ready, I begin to assemble the central motor hub and test code for the air fins. In this series, I ...

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.

Posted in Laser Hacks, Tool Hacks Tagged Laser Distance Meter, Laser Measuring Tape, Laser meter, Uni-T UT390B ← Arduino Day Is Today 2-Axis Solar Tracker Always Gets A Tan → ...

How to build a laser trip wire alarm with Arduino As a preview of his latest book, Arduino Project Handbook: 25 Practical Projects to Get You Started, Mark Geddes takes us through the project to ...