30-01-2012, 23:13
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electronics/programming mentor
AKA: Mr Tanguay
 FRC #1726 (N.E.R.D.S.) Team Role: Mentor
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Join Date: Oct 2008
Rookie Year: 2006
Location: Sierra Vista, AZ
Posts: 251
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Re: Maxbotix Sonar Testing
Quote:
Originally Posted by DonRotolo
OK, so you have +5 V at the "+5V" pin, and Ground on the GND pin, and using a voltmeter between the AN pin and GND you are not seeing any DC voltage, even though the target is, say, around 5 feet away? You should be reading about 0.060 volts for 60 inches.
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Don,
from the datasheet - Outputs 0- 2.55 volts with a scaling factor of 10mV per inch.
That would make it read 0.60 Volts for 60 inches.
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