miker wrote: ↑Thu Dec 07, 2023 3:53 pm…we can't be sure you've got the polarity of the writing correct. Have you tried switching the wires round …If (big if) the probing was correct for the o-scope images, then polarity would appear correct. However, more data should appear if the polarity is reversed, both to prove it, and to gain insight for the reversal effects, IMO.
However, more data should appear if the polarity is reversed, both to prove it, and to gain insight for the reversal effects, IMO.You guys are giving me heaps of homework
JHolland wrote: ↑Sun Dec 10, 2023 3:41 pm At low RPM your engine will accelerate and decelerate as it goes through the cycles so that isn't a very accurate way of measuring it.Tests were done on bench with a trigger wheel mounted on a 775 motor running fixed rpm.
PSIG wrote: [EDIT] As we don't like to add bloat to the code (even "good" bloat), another option is to create a sketch to run on a second Arduino, specifically for this task, or as part of a sim program. Load the code on an Uno or something, connect jumpers to Points A, B, and C, and run the sketch. Output could be to serial as a simple degree-at-rpm value, TS, MLV or the Arduino IDE Serial Plotter for a graph. Hmm.Good idea, integration into the existing ardustim architecture is a good feature since there's already an arduino doing very minor duty. Knowing total delay in your system/setup helps troubleshooting.
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