I have done more testing on the synchronization and so far my conclusion is that it is a mess.
Option one: there is a delay of what data blink provides, so that the state coming to homey is delayed by a time longer than 5 minutes or it is behind by several changes of on/off states. Is it possible that you are reading a history of states, with the current one missing?
Option two: it is just random behavior if two modules are involved.
