![]() ![]() ![]() ![]() That circuit you linked in the other thread would work with 1 extra bit added to drop another 0.8v off that but Id also suspect the mic port would handle 3.3v fine. RPM is a little bit harder since youll need to use cirucit to drop voltage to safe level. So its all in the filtering to get a usable signal out of it. Its basically a 0-2.5v input with a good frequency range.Ī knock sensor is just a microphone anyway. And hook some headphone into it to manually listen to knock as well. So then You can run knock and rpm off it at same time. Ideally im still looking for best option. Mic as in microphone jack on your computer or usb sound card. Sorry for the question what is " mic" you have referred to a few times? ![]()
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