Below I have added a link to download a Ziped file with the Arduino Sketch, Schematic, Readme
Download  Sketch and info

 NodeController on Google Play Store

       


click picture to enlarge

Below is the Sketch for This Project, you can modify it to suit your own designs.

/*
  MerrittSoft
  NodeController
  07/04/2020
  Language: C++/Arduino
  Thank you to those people that made the Libarays in this project posable.
*/

#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>


ESP8266WebServer server;

const int output0 = D0;
const int output1 = D1;
const int output2 = D2;
const int output3 = D3;
const int output4 = D4;
const int output5 = D5;
const int output6 = D6;
const int output7 = D7;
const int output8 = D8;

char* ssid = "ssid_name";
char* password = "ssid_password";



void setup()
{
  pinMode(output0, OUTPUT);
  digitalWrite(output0, HIGH);
  pinMode(output1, OUTPUT);
  pinMode(output2, OUTPUT);
  pinMode(output3, OUTPUT);
  pinMode(output4, OUTPUT);
  pinMode(output5, OUTPUT);
  pinMode(output6, OUTPUT);
  pinMode(output7, OUTPUT);
  pinMode(output8, OUTPUT);

  digitalWrite(output1, HIGH);
  digitalWrite(output2, HIGH);
  digitalWrite(output3, HIGH);
  digitalWrite(output4, HIGH);
  digitalWrite(output5, HIGH);
  digitalWrite(output6, HIGH);
  digitalWrite(output7, HIGH);
  digitalWrite(output8, HIGH);




  WiFi.begin(ssid, password);
  WiFi.hostname("NodeController");
  WiFi.mode(WIFI_STA);
  Serial.begin(115200);
  while (WiFi.status() != WL_CONNECTED)
  {
    Serial.print(".");
    delay(500);
  }
  Serial.println("");
  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());
  Serial.println();

  server.on("/", []() {
    server.send(200, "text/plain", "NodeController");
  });

  // below are the commands that activate the Relays
  // eg. the /RELAY1ON is the command you add to the end of the ip address to turn Relay 1 ON eg. 10.220.1.20/RELAY1ON ,
  // This can be done in a Web Browser address bar on the same network

  server.on("/RELAY1ON", subroutine1on);

  server.on("/RELAY2ON", subroutine2on);

  server.on("/RELAY3ON", subroutine3on);

  server.on("/RELAY4ON", subroutine4on);

  server.on("/RELAY5ON", subroutine5on);

  server.on("/RELAY6ON", subroutine6on);

  server.on("/RELAY7ON", subroutine7on);

  server.on("/RELAY8ON", subroutine8on);

  server.on("/RELAY1OFF", subroutine1off);

  server.on("/RELAY2OFF", subroutine2off);

  server.on("/RELAY3OFF", subroutine3off);

  server.on("/RELAY4OFF", subroutine4off);

  server.on("/RELAY5OFF", subroutine5off);

  server.on("/RELAY6OFF", subroutine6off);

  server.on("/RELAY7OFF", subroutine7off);

  server.on("/RELAY8OFF", subroutine8off);


  server.begin();
}

void loop() {

 
  digitalWrite(output0, LOW);
  server.handleClient();


}

void subroutine1on()
{
  Serial.print("Relay 1 ON ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output1, LOW);
  return;
}

void subroutine2on()
{
  Serial.print("Relay 2 ON ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output2, LOW);
  return;
}

void subroutine3on()
{
  Serial.print("Relay 3 ON ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output3, LOW);
  return;
}

void subroutine4on()
{
  Serial.print("Relay 4 ON ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output4, LOW);
  return;
}

void subroutine5on()
{
  Serial.print("Relay 5 ON ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output5, LOW);
  return;
}

void subroutine6on()
{
  Serial.print("Relay 6 ON ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output6, LOW);
  return;
}

void subroutine7on()
{
  Serial.print("Relay 7 ON ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output7, LOW);
  return;
}

void subroutine8on()
{
  Serial.print("Relay 8 ON ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output8, LOW);
  delay(3000);
  return;
}

void subroutine1off()
{
  Serial.print("Relay 1 OFF ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output1, HIGH);
  return;
}

void subroutine2off()
{
  Serial.print("Relay 2 OFF ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output2, HIGH);
  return;
}

void subroutine3off()
{
  Serial.print("Relay 3 OFF ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output3, HIGH);
  return;
}

void subroutine4off()
{
  Serial.print("Relay 4 OFF ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output4, HIGH);
  return;
}

void subroutine5off()
{
  Serial.print("Relay 5 OFF ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output5, HIGH);
  return;
}

void subroutine6off()
{
  Serial.print("Relay 6 OFF ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output6, HIGH);
  return;
}

void subroutine7off()
{
  Serial.print("Relay 7 OFF ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output7, HIGH);
  return;
}

void subroutine8off()
{
  Serial.print("Relay 8 OFF ");
  Serial.println();
  delay(1000);
  server.send(204, "");
  digitalWrite(output8, HIGH);
  return;
}