How to make SMART Pedestal Fan with Blynk

[PeteKnight]

@dayan

Nodemcu is rebooting once interrupt is enable

Yes, and if you look at your debug messages then you’ll see an error that says “ISR not in IRAM”. This is how you fix that…

Error ISR not in IRAM!

There are two ways to handle the ISR not in IRAM issue. These examples assume that your interrupt handling function is called MyInterruptHandler You can simply add a pre-declaration of the ISR handler routine with ICACHE_RAM_ATTR before the interrupt handler name, like this: void ICACHE_RAM_ATTR MyInterruptHandler(); This pre-declaration of the ISR handler should be near the top of your code, before void setup - where you initialise your interrupt like this: attachInterrupt(digitalPinToInter…

Pete.