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Additional Pictures 

 

The Sensitivity switch is hidden under the sonic transducer. 

The sonic transducer is located under the black component in the middle of the small PCB. 

The main PCB of the CBR 2 system with 
a powerful H8/3297 microcontroller. 


If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, April 24, 2008. No reprints without written permission.