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Subject: 
Help with Homebrew sensor
Newsgroups: 
lugnet.robotics
Date: 
Wed, 6 Feb 2002 02:29:17 GMT
Viewed: 
668 times
  
Hi all, my name is Francis (from Spain).

I've read Extreme MindStorms and I decided to put my hands on and build some
new sensors.

I began with the optointerrupter, but have a little trouble. When I connect
the sensor to the RCX I can't get a stable reading, instead RCX bounces in
the value. I thougt perhaps you could give me some light.

I've tried the sensor on a custom PCB an in the breadboard and in both cases
the values are intermitent (80 to 60 for example), I decided to take a look
in the osciloscope and found that the CDS was getting some peaks.

Is this normal? Can I correct it in the sensor or through an slope
configuration in the code?

Thanks very much in advance.



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