Accelerometer Data Log: Record 8 Variable Voltages

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zggtf211
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Hello. I am quite new here and need a little bit of help with an invention I am working on. I'll try to just ask for help on different parts as to not have you guys actually invent it, unless someone is interested in an investment relationship. anywhoo...

First off, I have 8 variable voltages that change frequently that I need to record for between 30 and 60 seconds. How would I do something like this?
 

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Oh and it has to be small...half the size of a phone...
 
zggtf211 said:
Hello. I am quite new here and need a little bit of help with an invention I am working on. I'll try to just ask for help on different parts as to not have you guys actually invent it, unless someone is interested in an investment relationship. anywhoo...

First off, I have 8 variable voltages that change frequently that I need to record for between 30 and 60 seconds. How would I do something like this?

There's an iPhone app for that:

http://www.google.com/search?source...T4GGLL_enUS301US302&q=iphone+data+acquisition

Welcome to the PF, BTW.