Hacked Gadgets Forum

April 29, 2008

Automated White Board

at 10:48 am. Filed under Complex Hacks, Computer Hacks, Cool Gadgets, Electronic Hacks, Insane Equipment

 

Sprites Mods has done it again! Their latest hack is this Automated White Board that can take text input from the internet and plot it onto a white board for the world to see (there is a web cam looking at the board).

"The idea is that if I want the pen to be off the whiteboard, the electromagnet gets released and the spring will push a perspex rod on the whiteboard, thereby pushing the whole carriage, including the tip of the pen, away from the surface. If the pen needs to be ‘down’, the electromagnet will actuate and gravity will push the tip of the pen down to the surface of the whiteboard again. The electronics aren’t that complex: the main task is to make the stepper motors and the solenoid controllable by a PC, and in theory, not much more than a couple of driver ICs or mosfets or something like that are needed for such a task. I opted for a slightly more complex approach: the driver-ICs are controlled by a microcontroller, which accepts the amount of steps the motors need to be moved on a serial port. It then moves the steppers in such a way that they start and stop at the same time, varying the velocity accordingly. For short distances, that gives a neat straight line on the whiteboard. This way, the PC can be relieved of a bit of work. I used an FT232-board I had lying around for for the interfacing: the computer I was planning on connecting it to didn’t have a serial port to spare."

Via: Hackaday


 

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5 Responses to “Automated White Board”

  1. Almost_There Says:

    Hey, that counter balance idea is pretty ingenious!

  2. Automated White Board Does All the Hard Work (Video) · TechBlogger Says:

    […] [via HackedGadgets] […]

  3. DIY HACK - How to make your own White Board Plotter! | zedomax.com - The Coolest DIYs, Hacks, Gadgets, Web2.0,and Internet Marketing. Says:

    […] [via] HackaDay best diy project, Circuits, Consumer, Cool, diy-project, DoItYourself!, Educational, Entertainment, Funny, Gadgets, Hack, Hack, HOWTO, make, memory, Projects, rubber belts, Video, webcam, whiteboard best diy project, Circuits, Consumer, Cool, diy-project, DoItYourself!, Educational, Entertainment, Funny, Gadgets, Hack, Hack, HOWTO, make, memory, Projects, rubber belts, Video, webcam, whiteboard var dc_UnitID = 14; var dc_PublisherID = 13853; var dc_AdLinkColor = ‘blue’; var dc_adprod=’ADL’; If you like this post then please subscribe to my full feed RSS. You can also subscribe by Email. […]

  4. Jack Says:

    Wow, jeje, very ingenious

  5. exishiods Says:

    Was ist das?

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