Knock Sensor LED output

[Rob O]

The J&S listens for knock in a specific window around TDC to help filter
out extraneous noise. Check the BBS on the endyn site,
www.theoldone.com, I seem to remeber some specifics mentioned there

Rob_O

David Gregory wrote:
> 
> Hello all-
> 
> I'm a new guy and I thought I would introduce myself and ask for a point in
> the right direction.
> 
> I'm a graduate student in mechanical engineering and my current electrical
> exposure is fairly limited although I would like to think that I know more
> than most of my classmates.  I'm also taking a class in Mechatronics this
> semester which deals primarily with the Motorolla MC68H12 and its
> integration into robotic devices(we have to build a autonomous robot).
> 
> Eventually I would like to develop a device similar to the J&S safeguard(
> http://safeguard.bizland.com/safeguard.html ) which retards timing when
> knock is detected.  But I think I would do better with something small that
> has less opportunities for screw ups, so I'm thinking of building a device
> which will display knock on an LED bank.
> 
> I'm sure a project as simple as this has been done before and was hoping
> someone could point out a link to get me started.  I've read the data sheet
> for the HIP9010 and I think it does more than I need. I've "heard" that the
> Honda OEM knock sensor outputs a 0-1V signal proportional to knock severity.
> If that were the case, would this project be as simple as hooking it up to a
> simple LED driver circuit?  Anyone know how to confirm the output of the
> knock sensor?  Buy one and see if it has numbers?
> 
> I hope I'm not redicuouslly off topic. TIA
> 
> David Gregory
> 
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