Connecting stretch sensor to phidget 1018 board

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mrzdb
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Connecting stretch sensor to phidget 1018 board

Postby mrzdb » Mon Feb 08, 2010 10:23 pm

Hi

can anyone advise me on how to connect this stretch sensor

http://www.merlinrobotics.co.uk/merlinr ... -c-33.html

to the 1018 interface.

Thanks in advance

Robert

Re: Connecting stretch sensor to phidget 1018 board

Postby Robert » Tue Feb 09, 2010 10:00 am

From what I gather, it's just a variable resistor, so what you need to do is connect the sensor between +5v and the analog input, and then connect another resistor (preferably around the same value as the un-stretched sensor) between the analog input and ground. This creates a voltage divider, and gives you an output range likely from 0-500 inside your software.


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