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cheap digital compass, does anyone have experience with it?

Hi LMR people,

Looking for a digital compass for my robot, I found this interesting Dual-axis Magnetic Sensor Module with UART& I 2 c Interface for $16.

link: http://www.sureelectronics.net/goods.php?id=958 and http://www.sure-electronics.net/download/DC-SS504_Ver1.0_EN.pdf

I've tried some photoshop to my primary image, as an experiment. Just made a picture of the progress..  I had the strange feeling being watched.. weird..   From … Read more

16mm hole in a pingpong ball, how? "Parallax PingPong)))"

Hello,

I want to make a perfect round hole of 16mm in a pinpong ball.. but i think just drilling it wouldn't go real nice. does anyone of you now what's a good way to do it? perhaps using a dremel?

the idea is to desolder the 2 sensors of a parralax ping sensor and put them into 2 pingpong balls making real nice looking eyes.

 

hmm.. let's call it "Parallax PingPong)))"

Skiing robot goes down hill

just found this video of a skiing robot. it seems to work autonomously using different sensors.. in one word just COOL!. :)

http://www.youtube.com/watch?v=luzs63dGHQs&NR=1

now they only needs to ad a phone and a GPS module, so he can send a SOS message with his position in case he's under an avalanche.. :P