Doc: clarify that Servo::read() does not read the servo angle #136
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The documentation of
Servo::read()
states:This is misleading: the servo has no way of reporting its current angle. Although the sentence in parentheses attempts to clarify that this is “the value passed to the last call to write()”, this clarification is not prominent enough. I have witnessed students use
Servo::read()
as a way to check that the requested position has been reached.This pull request makes absolutely clear that
Servo::read()
reads the servo setpoint, and that there is no way to read its current angular position.