💬 Door/Windows AAA
Cool design. But please remember to adhere to the licensing rules. See here.
thank you for your nice work!
What/how would be the simplest way to add a speaker/buzzer to your board? -> For the case then no message could be sent to the gateway to buzzer should start.
What about a design based on a single 10440 or 18650 battery? It could slim the design down some.