Merge pull request tasmota#857 from Gifford47/patch-1

docs/Blinds-and-Shutters.md

@@ -197,6 +197,9 @@ Use any other Tasmota device with buttons or switches to control remotely a shut
 
 ## Specific Configuration
 
+!!! note 
+    The PWM remains on even after the end position has been reached. The motor then permanently tries to hold the position and could thereby trigger noises or a slight "twitching". If this is not desired, you can switch off the PWM after reaching the end position with ```#define SHUTTER_CLEAR_PWM_ONSTOP```. 
+
 ### Pulse Motors
 There are shutters that have two relays but only need a pulse to start or stop. Depending on the current situation a pulse will stop the shutter or send it into a specific direction. To use these kinds of shutters a [`PulseTime`](Commands.md#pulsetime) must be defined on each relay. The minimum setting that seems to make it work consistently is `2`. A setting of `1` does not work. If the shutter moves too fast and does not react to a stop command, increase the setting to `3` or `4`. 
 
@@ -206,6 +209,12 @@ Stepper motors can also be used to operate shutters and blinds. Additionally you
 ### Servo Motors
 Servos are small devices with typical 180° or 360" rotation movement. The position will be drived by the PWM duty cycle time. This will all automatically calculated
 
+!!! note
+If you miss low angles (i.e 2°) you should be able to get this by changing the minimum `ShutterPWMRange`. If this does not help you can customize `PwmFrequency`. Normally for PWM servos, there is no calibration required, but you have the option to do a calibration. Check the documentation for shuttercallibration. Maybe `ShutterSetHalfway` is already enough. Otherwise you can do a fine granular calibration.
+
+!!! note
+If you change the shutteropenduration/closeduration the servo will operate slower, but now the servo also achieves small angle changes.
+
 [More info](https://github.com/arendst/Tasmota/discussions/10443#discussion-1627790)
 
 ### DC Motors