Thanks Nuubi ! For pointing this link! '''Cent fois sur le métier remettez votre ouvrage!''' Because you pointed it to me, i had to go back in this thread, again... Trying to find what was different from the 100 sketchs i tried... EUREKA ''development branch of MySensors Arduino package'' ''https://github.com/mysensors/Arduino/archive/development.zip'' I was not using the proper library... Now my Veraedge find everything ! Thanks again ! And also Thanks to Hek for ''Combining MySensors examples'' Mike