Controlling blinds with Sonoff dualR3

Ideas & Suggestion
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1 
Question for the eWlink team:
I have venetian blinds that I control with Sonoff dualR3.
I have a blind switch as a backup.

switch
switch605×605 43.3 KB

When I control them with the blind switch, I can adjust the tilt 
of the slats as desired. 


But if I use a scene made in the eWelink app or iHost,

scene
scene605×532 27.8 KB

the smallest difference in position is 1%. This is too 
much for optimal setting according to the sun. What this 
looks like is visible in the video. 


My question for the eWelink team is: Is it possible to select
 a smaller unit in the scene settings (0.2%; 0.4%; 0.6%; 0.8%)?
In my case, this would mean 45.8% (45.6%; 45.4%; 45.2%) in the 
third step of the scene. 
With such a setting, I could set the shading with the scene 
more optimally than now.
2

Hi.

This I have already asked the ewelink team at the beginning of the dualr3 (approx. 4years ago) but without sucess. It would be really great to implement that.