Recommended scheduling for roller-shutters

[PizzaProgram]

after some days of learning and searching through NodeRed topics, I've finally found the solution how to avoid race condition.
It is possible to change the time and to reset the Delay nodes !

Here is an example I've made:

Avoiding race condition in flow context?

I was looking for similar solution, and found out about this: You can simply use Delay nodes too! The trick is, you can give to msg.reset a value like "True" and it will automatically cancel all running delays. [kép] [{"id":"64ca47f5.7b75e","type":"inject","z":"37c9a989.495456","name":"Do it now","topic":"","payload":"7","payloadType":"num","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":120,"y":100,"wires":[["a49806c2.c5f05","ece3fc93.0f7248"]]},{"id":"a49806c2.c5f05","type":"cha…