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113 points kaycebasques | 1 comments | 03 Apr 25 19:18 UTC | HN request time: 0.234s | source

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viraptor ◴[04 Apr 25 03:21 UTC] No.43578011[source]▶

> Understanding the technical aspects of a servo motor and how it works

I don't feel like the article explains that at all. They explain the control signal and what the servo does as a result. The "how" in between is completely missing though. How is that pulse translated? How does the feedback work? What are the safety mechanisms involved?

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1. relaxing ◴[04 Apr 25 03:43 UTC] No.43578112[source]▶

>>43578011 #

That’s because the control circuit is hidden in a monolithic IC. If you’re really curious, here’s a datasheet for an old fashioned design with a block diagram and theory of operation described that should give you some hints. https://www.meditronik.com.pl/doc/plus/zn409.pdf

If that sort of thing interests you, there’s a whole field of control theory to study.

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How Servo Motors Work