Hack Chat 0x01: Introduction to Laser Cutter

  • Steag Center For Smart City Technology is organizing Hack Chat regarding Laser Cutter. The Center is equipped with 150W C02 Laser cutter and Engraver,

    In the session, we will look into the working principles and operation workflow the laser machine for cutting and engraving.

    The Session exclusively for the Rajagiri School of Engineering & Technology students.

    Date: Feb 6th 2020
    Time: 5:00 PM to 5:30 PM
    Venue: Steag Center For Excellence in Smart City Technologies, KE Block Extension RSET

    Note: The Session exclusively for the Rajagiri School of Engineering & Technology students.

    Untitled design.jpg

  • What is Laser Cutter/Engraver?

    Laser cutting is a technology that uses a laser to slice materials. While typically used for industrial manufacturing applications, it is also starting to be used by schools, small businesses, and hobbyists. Laser cutting works by directing the output of a high-power laser most commonly through optics. (Wikipedia) .

    CO2 (Carbon dioxide) Laser?
    The carbon dioxide laser (CO2 laser) was one of the earliest gas lasers to be developed. It was invented by Kumar Patel of Bell Labs in 1964,[1] and is still one of the most useful. Carbon dioxide lasers are the highest-power continuous wave lasers that are currently available. They are also quite efficient: the ratio of output power to pump power can be as large as 20%. The CO2 laser produces a beam of infrared light with the principal wavelength bands centring on 9.4 and 10.6 micrometres (Ξm). (Wikipedia)

    CO2 Laser Tube :
    Co2 Laser genration.jpg
    (img src: http://www.xtlaser.kr/co2-laser-work/)


    Laser Beam Alignment

    alt text

    (img src: https://smokeandmirrors.store//)


  • Kavone KLM Serines 150w CO2 Laser Cutter
    kavone laser 150w.jpg


    CO2 metal cutting is the low-cost metal cutting solution. Can be used for metal and non-metal cutting


    Cutting on various materials such as Stainless steel, carbon steel, ABS double-coated sheet, Acrylic, Cloth, Leather, Plastic, paper, wood, Rubber, etc.


  • Photos



  • Really insightful on how to use the laser cutter, especially in projects based application
    Thanks Salman 🙂

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  • Very much informative!!!!

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  • If you are using raspberry pi as one of your main computers and have separate monitor, keyboard and mouse, then you might be tired of copy and pasting terminal commands and codes while doing projects with raspberry pi, because running chromium-browser and reading tutorial will pi slower and using a sperate keyboard and mouse use our workbench space too.

    recently I read a blog Share your keyboard and mouse between computers with Barrier by Gordon Hollingworth which is cool.

    In that blog, he mentioned a software called barrier, it's a software that will allow you to use a single keyboard and mouse to control multiple computers by physically turning a dial on the box to switch the machine you're controlling at any given moment. The barrier does this in software, allowing you to tell it which machine to control by moving your mouse to the edge of the screen, or by using a keypress to switch focus to a different system.

    Follow these to share your computer keyboard and mouse with the raspberry pi

    First, we need setup raspberry pi

    Step 1: Download and Install Raspberry Pi OS on SD Card

    Step 2: Connect raspberry pi to the wi-fi network

    Step 3: Install barrier, for that open your terminal (Ctrl + T) and paste or enter the following

    sudo apt install barrier

    Then click enter.

    Step 4: Setup barrier, Open barrier by typing barrier on the terminal, if you successfully installed the barrier you can see like this.


    Select option Client (Use another computer's mouse and keyboard) and Select Auto config option too, also note the Screen name, which we need for the server.

    That's all next we need to set up the desktop/laptop computer.

    Step 5: Download and Install barrier on desktop or laptop computer (The Server), download link

    Step 6: Set up the barrier by selecting Server and position your monitor on barrier software. 004.png

    To Position, the screen clicks the configure server.


    Here, to drag and drop the monitor icon to the desired position you need on the grid.


    double click the screen and set the screen name, you can obtain the screen name from the raspberry pi barrier client. (See Step 4)


    after setup, it should be like this. Then click OK


    in the following screen, click Apply and Just wait few seconds then try to move the mouse to the corner. Yes, It should work.

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  • @rafitc99 Looks cool, Thanks for sharing. 👍

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  • This is a speaker call for MakerChat by MakerGram. MakerChat is a webinar series where makers from different domain sharing their expertise with other fellow makers. MakerGram is an Open Community Platform for Makers and hardware enthusiasts to empower them by promoting learning, sharing and collaboration.

    Link: https://forms.gle/R5qhEhQeEe7UnJey9


    Link: https://forms.gle/R5qhEhQeEe7UnJey9

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  • The Challenge

    Do you think you can come up with some interesting ideas revolving around Amazon Alexa? What if we could help you build that idea into a reality. Tell us about your idea and the best one wins an Amazon Alexa Echo Dot.

    ðŸ§ē Bonus points for those solutions involving Covid-19 or promoting social-distancing.


    Application - The application starts on 26th June 2020. Closing - The registration will end on 17th July 2020. Results - The results declared by last week of July

    For Registration: https://alexa.hackclub.com/


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