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Speed measurement for two engines using LPC2129

Question asked by Alessandro Melino on Jul 4, 2019
Latest reply on Jul 8, 2019 by Alessandro Melino



I'm developing a Keil project to measure the angular speed of two engines using the board LPC2129. Each engine has a two channels encoder of 7ppr.


I've tried to do it using external interrupts to see rising and falling edges of the encoder, but that's a little bit tricky.

Do anybody know a better way to get the angular speed with this conditions?


Thank you.