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Test, just a test
Hello. And Bye.
(06-03-2021, 09:14 AM)RobertHew Wrote: Hello. And Bye.
Hello and bye to you also!
Interesting setup you have there Balor, would like to know more.
The servo pulling against a spring is something that has bothered me to, must surely under some conditions result in constant current draw by the servo. Fortunately enviolo hubs use a 2 cable system so has never been a problem for me. Although they can pull a little towards underdrive under load.

You mention torque sensing which is interesting because it's exactly where I went with my automatic shifter. Got me into building homemade power meters. For me having my cadence vary based on power output is the ultimate fully automatic shifting.
slope unblocked
“servo jitter” I was going to look into turning the PWM signal to the servo on and off. Apparently a servo only tries to maintain a position when its being fed a valid PWM signal, kind of obvious really. In my case with the 2 cables I thought it might be more efficient if the servo is only driven when it needs to make a significant movement. Can waste some energy trying to move the last fraction of a degree.

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