This article presents basic design ideas for laser virtual floor markers using inexpensive and readily available components. The laser virtual floor marker introduced here is a specially developed ...

This level can produce a bright red horizontal, vertical, or cross-line on any surface up to 50 feet away, so it can handle most rooms around the home, and projects as simple as hanging a picture to ...

Tell us a bit about green beam lasers. How are they different? Red beam line lasers have been standard on the jobsite for years, but newer green beam lasers are up to four times brighter than red ...