in sample driver lightbulb-lan-esp8266
If the Wi-Fi password contains the letter !, NodeMCU seems that the router cannot be connected normally.
detail information
ssid : router-ssid
pw : password!
at this time uri shown like http://192.168.4.1/?ssid=router-ssid&pwd=password%21
nodemcu log shown like this img
in sample driver lightbulb-lan-esp8266
If the Wi-Fi password contains the letter !, NodeMCU seems that the router cannot be connected normally.
detail information
ssid : router-ssid
pw : password!
at this time uri shown like
http://192.168.4.1/?ssid=router-ssid&pwd=password%21nodemcu log shown like this img