Thanks for your answer.
Just to understand, it’s another version of mine?
Im a little bit lost between rpiutils and rpi-rf build in python.
I have to remove my version ?
I neil
It works!
I apologize I have been confused with a iOS app which describ GPIO and physical pin.
It’s was not the good GPIO.
Now I can send perfectly with home assistant.
Very happy to find the solution and thanks a lot for your help.
I send a email to the developer of the iOS app to correct is program.
Thanks a lot
1 Like
Brilliant Eric. Glad you got it sorted 
You may want to mark your last post as the solution in case others have the same issue as you.
Neil
Thanks for your help