Problem with NodeMCU

[TommyGFX]

Hello,

i have a problem with the NodeMCU

http://prntscr.com/rhkyr2

[DannieDarko]

This is due to a change in Arduino. You need to add the attribute ICACHE_RAM_ATTR within the function declaration when using a function with attachInterrupt:
https://gndtovcc.home.blog/2020/04/16/esp8266-interrupts-and-timers-using-arduino-ide-nodemcu/