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I'm trying to connect NODEMCU to my home network and set static IP address, but the static IP didn't set properly this is the code:

#include <ESP8266WiFi.h>
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  WiFi.config(IPAddress(192,168,1,129), IPAddress(192,168,1,1), IPAddress(225,225,225,0));
  WiFi.begin("Bam", "123456789");
  Serial.print("\nConnecting");
  while(WiFi.status()!=3){
    Serial.print(".");
    delay(500);
  }
  Serial.println("Connected");
  Serial.println(WiFi.localIP());
  

}

void loop() {
  // put your main code here, to run repeatedly:

}

and this is the output on the Serial monitor:

13:28:46.715 -> Connecting.......Connected
13:28:50.937 -> 192.168.1.100

when I set the same static IP address to my phone it sets with no problem.

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  • 2
    You connect to the WiFi first, then try to change the IP, of course it will not work. Config first, then connect. Commented Apr 18, 2023 at 12:33
  • @hcheung I forgot to mention all solutions I've tried, I tried this but didn't work Commented Apr 18, 2023 at 13:15
  • 3
    Shouldn't the network mask be 255.255.255.0 rather than 225.225.225.0 ? Also does anything else on your network have an IP of 192.168.1.129 ? Commented Apr 18, 2023 at 16:17

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