Reconnection problem when the power goes out

Sorry, I don’t understand any of that.

It depends what’s causing the “breakdown”.

On the subject of timers, you need to understand the capabilities of BlynkTimer and the fact that you need to avoid timers that coincide at the same point in time. You are using a single threaded MCU that can only execute one code instruction at one time. You also need to understand how long each of your functions takes to execute, so you can stagger your timers accordingly. You should probably read this…,

Pete.