Lasers are some of the coolest devices around. 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 ...

Laser cutters are perhaps one of the most useful tools in a hackerspace’s arsenal of tools, rivaled only by 3D printers and CNC mills. The problem is they’re quite expensive — unless you get one of ...

In this project I have designed Laser Security System Using Arduino wih Alarm with the application of Laser Module KY-008. The project idea revolves around creating a security system. A tripwire is a ...

A simple example of using Arduino basic GPIO pin HIGH and LOW to switch on and off some cheap Chinese red lasers. This demonstrates the most simple aspect of any microcontroller - being able to turn a ...

Laser cutters are great DIY tools, but they're pretty expensive. If you'd prefer to build your own, Instructables user SilverJimny shows you how using an Arduino. The build here uses an Arduino along ...

Makers, Arduino and electronics enthusiasts that have wanted to create a laser sky effect generator, may be interested in this new DIY tutorial which is being published by YouTuber “Normal Universe” ...

The YouTube channel DIY Builder has published and created a DIY Arduino laser engraver which is powered by an Arduino Nano development board and is fitted with a 200-250mW 650nm Laser Module. Check ...

Abstract: We connected $\mathbf{p H}$ sensor and solar cell into Arduino Board to control data transmission via red laser communication or popular known as visible light communication (VLC). The ...