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Netherlands
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Have a look at the first video of my driving HummBot:

http://megabotblog.blogspot.com/
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Netherlands
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I made another video of HummBot. The video quality is much better now, and the HummBot can change directions!
http://megabotblog.blogspot.com/
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I attached two servo controlled sharp IR sensors to the HummBot:





For more pictures, see http://megabotblog.blogspot.com/
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Cool, maybe you can turn one of the IR sensors backward, so it can see what's behind it.

-Z-
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Thanks, in fact I want to replace the IR sensors with Ultrasonic sensors, since I need to be able to scan a longer distance than the max 50 cm that the IR sensors are giving me.
I plan to move the IR sensors to the bumpers (front and back) of the HummBot for short distance detection.
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I have moved the IR sensors to the front and back bumpers, this works quite nice.
I am now waiting for the ultrasonic sensors. In the mean time I created another video:
http://megabotblog.blogspot.com/2007/12/hummbot-basic-object-avoidance.html

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Very nice!  I'm building small tracked robots, and just finished one that has ultrasonics front and rear.  We should trade code!  What sensors are you getting?  If you have a Radio Shack near, you can get Pings there.  I have a pair of Pings, and a pair of Devantech SRF05 sensors (those are what I mounted on my bot, they can be used both in shared-pin mode, like the Ping, or with separate input and output pins, which is how I wired them).
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Thanks!

I bought two MaxSonar ultrasound sensors: http://www.maxbotix.com/MaxSonar-EZ1__FAQ.html
I will mount these two sensors on the servos of my HummBot.
We should definitely share code. I will publish all my code on my blog.
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