Knock sensor microphone4/9/2023 ![]() ![]() The amount of signal process that the arduino would need to do on the knock sensor signal would be greatly taxing on the processor. Not all knock is created equal, so speeduino would need to be programmed to handle multiple cases. I think CX500t is getting more to the point on how to determine burst knock retard. Softwarely - some kind of filter in software, where you can filter out normal running engine from when it detonates.Īnd if we could monitor the knock, we could run more aggressive tune, and like I said before, if it knocks - timing is retarded to not blow up the engine. Hardwarely it would need amp to amplify signal going in to the arduino. So basically knock sensor is a microphone. I have friend of mine who roadtunes cars(MS equipped) with the headphones(connected to knock thru diy amp) and of course WB o2, and he have pretty great results(2.0 vw homebuilt turbo engine ~300whp, stock internals with cr-8.5:1 on a pump gas). ![]()
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