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Old 06-27-2005, 02:13 PM   #14
cdvma
Scooby Specialist
 
Member#: 21980
Join Date: Jul 2002
Chapter/Region: NESIC
Location: Central MA
Vehicle:
2002 PSM WRX (Sold)
2009 BMW X5

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Quote:
Originally Posted by fogdor
I've been kicking around the idea of building my own "knock sensor" for a few months. Basically you have a microphone, a filter, and an led bar-graph display. How hard could it be?
Good luck making a filter thats accurate.
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