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[DPRG] My Robot

Subject: [DPRG] My Robot
From: rten at new.metronet.com rten at new.metronet.com
Date: Tue Feb 11 23:38:01 CST 2003

Daryl:
The tilt signals can be generated by mercury switches. These are a glass
tube with two contacts that ate connected by a glob of mercury. If the
tilt changes too much, the circuit is opened. This can be used to either
generate a signal or actually open the power to the controller.
Ralph

On Tue, 11 Feb 2003, Daryl Gallatin wrote:

> Not sure what the politcis thing is, but Maybe my post will help
>
> Eight months ago I knew pretty much nothing about robotics. I was just a senior in college that will finally graduate
>
> Four months later I had a design. A robotic vacuum cleaner
>
> This Friday, I have a final product that will have most everything that I orignally wanted in it, save the autoshutoff circuit to shut down the robot should it tilt over. HAving some dificulty there.
> BUT, it does move, it does avoid objects
> It moves back and forth across the room
> The vacuum and motors turn on when I hit enter on my keypad on the robot (terminal blocks suck by the way. POor connections)
>
> Thanks to lot of book reading from 3 different robot books and the help on the mailing list is why I was able to complete my robot (and hope it still works at my presentation on friday)
>
> A few things I learned
> Don't build your on IR sensor. The IR sensors and detectors from Radio Shack  suck
>
> I'm borrowing an optical sensor from a teacher instead
>
> And
>
> Never underestimate your own stoopidity
>
>
> : )
>
> D
>
>
>
>
>
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