compass

[kourosh]

hi
I want to use a compass for my robot but I don't know who to use it...
can anyone help me?
thank you
http://www.robot-electronics.co.uk/htm/cmps3tech.htm
http://www.robot-electronics.co.uk/htm/Atmega32.htm

[Soeren]

Hi,

The pages you link to show you how to use it (with schematics and source code). If you don't get it from those pages, I don't see how anyone else would be able to help you?

[kourosh]

no,I think you didn't get the point...
I mean I have problem in how I it could be useful in my case...
I want to search  the field and find a can...so they told me to use a compass but I don't know how I should do it...

[SmAsH]

Well, i guess the main way would be to wait until the compass goes awal because of the can in the magnetic field? Do you have to use a compass? There are probably sensors better suited to this task..

[Admin]

That compass is supported by WebbotLib and the Axon microcontroller. Simple plug and play.

That said, I think this is a better idea to search for a can:

iRobot Create with Stampy Edge-Detection

[kourosh]

I can't see yotube(it is filtered in Iran...)
please look this one.there is a black line.it would finish before the ramp.the can is in the upper part...

[madsci1016]

well, if we are gonna post our robots that chase cans and are made from Irobots Create's:

Florida State University IEEE SouthEastCon 2009 Robot Design Test Runs

[Admin]

I can't see yotube(it is filtered in Iran...)
please look this one.there is a black line.it would finish before the ramp.the can is in the upper part...

I know how you feel, YouTube was once blocked here in Thailand. Along with many other websites that are still blocked

Anyway, all the walls are white, and you know where the can will be, so just use a color sensor to detect the can.