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by kai
Thu Jun 02, 2005 11:20 pm
Forum: Performance
Topic: Best place to put a knock sensor?
Replies: 18
Views: 13478

What frequencies are we looking at ? You can also "sense ions" with normal sparkplugs. Measure directly after the spark. This can ofcourse only be used when you have one coil per sparkplug/cylinder. Best Knock detector would be a DSP with its Fourier transformation functions. I think a lot...
by kai
Thu Jun 02, 2005 3:42 am
Forum: Performance
Topic: Best place to put a knock sensor?
Replies: 18
Views: 13478

@Jim: Yes new on this Forum.
I know it is only an indicator, but I was just curious how you implemented the filtering and amplifying (if there is any). I think your LED driver must be an LM3914/5 or similar?
by kai
Thu Jun 02, 2005 2:00 am
Forum: Performance
Topic: Best place to put a knock sensor?
Replies: 18
Views: 13478

@Jim: would you share that circuit with us ?

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