Ultrasonic sensor polarity
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Ultrasonic sensor polarity

 
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celestedianne



Joined: 24 Feb 2006
Posts: 1
Posted: Fri Feb 24, 2006 10:27 pm    Post subject: Ultrasonic sensor polarity Reply with quote
Please Help. I need to know if an ultrasonic transducer have a polarity. I have one from Nippon Ceramics Company. One leg of the transducer has a black in it while the other leg has none, i guess it was an indicator of a polarity. However it was not indicated in the datasheet provided whether it has polarity or none. I need it for my school project. please help.

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neon



Joined: 25 Feb 2006
Posts: 594
Posted: Sat Feb 25, 2006 1:00 pm    Post subject: Reply with quote
i am not real familiar with that sensor but as a general rule black indicates a ground connection of course electrons do not know color code or polarity
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