WifiRcCar

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

const char* ssid = "WifiRcCar";
const char* password = "12345678";

// Pins for L298N motor driver
const int IN5 = 2;
const int IN1 = 14;
const int IN2 = 12;
const int IN3 = 13;
const int IN4 = 15;

// Motor speed
int speed = 100;

ESP8266WebServer server(80);

void handleRoot() {
  // Create a web page with controls for forward, backward, left, right, and speed
  String html = "<html><head><title>ESP8266 RC Car</title></head><body>";
  html += "<h1>ESP8266 RC Car</h1>";
  html += "<form action=\"/forward\" method=\"POST\">";
  html += "<input type=\"submit\" value=\"Forward\">";
  html += "</form>";
  html += "<form action=\"/backward\" method=\"POST\">";
  html += "<input type=\"submit\" value=\"Backward\">";
  html += "</form>";
  html += "<form action=\"/left\" method=\"POST\">";
  html += "<input type=\"submit\" value=\"Left\">";
  html += "</form>";
  html += "<form action=\"/right\" method=\"POST\">";
  html += "<input type=\"submit\" value=\"Right\">";
   html += "</form>";
  html += "<form action=\"/netral\" method=\"POST\">";
  html += "<input type=\"submit\" value=\"Netral\">";
  html += "</form>";
  html += "<form action=\"/speed\" method=\"POST\">";
  html += "<input type=\"number\" name=\"speed\" value=\"" + String(speed) + "\">";
  html += "<input type=\"submit\" value=\"Set Speed\">";
  html += "</form>";
  html += "</body></html>";

  // Send the web page to the client
  server.send(200, "text/html", html);
}

void handleForward() {
  // Set motor direction and speed
  digitalWrite(IN1, HIGH);
  digitalWrite(IN2, LOW);
  analogWrite(IN5, speed);
}

void handleBackward() {
  // Set motor direction and speed
  digitalWrite(IN1, LOW);
  digitalWrite(IN2, HIGH);
  analogWrite(IN5, speed);
}

void handleLeft() {
  // Set motor direction and speed
  digitalWrite(IN3, HIGH);
  digitalWrite(IN4, LOW);
  digitalWrite(IN1, HIGH);
  digitalWrite(IN2, LOW);
  analogWrite(IN5, speed);
}

void handleRight() {
  // Set motor direction and speed
  digitalWrite(IN3, LOW);
  digitalWrite(IN4, HIGH);
  digitalWrite(IN1, HIGH);
  digitalWrite(IN2, LOW);
  analogWrite(IN5, speed);
}

void handleNetral() {
  // Set motor direction and speed
  digitalWrite(IN3, LOW);
  digitalWrite(IN4, LOW);
  digitalWrite(IN1, LOW);
  digitalWrite(IN2, LOW);
  analogWrite(IN5, speed);
}

void handleSpeed() {
  // Get the speed from the form
  int newSpeed = server.arg("speed").toInt();

  // Set the speed
  speed = newSpeed;

  // Update the web page
  server.send(200, "text/html", "<html><body>Speed set to " + String(speed) + "</body></html>");
}

void setup() {
  // Serial monitor for debugging
  Serial.begin(115200);
  delay(100);

  // Initialize the L298N motor driver
  pinMode(IN5, OUTPUT);
  pinMode(IN1, OUTPUT);
  pinMode(IN2, OUTPUT);
  pinMode(IN3, OUTPUT);
  pinMode(IN4, OUTPUT);

  // Create Access Point
  WiFi.mode(WIFI_AP);
  WiFi.softAP(ssid, password);
  IPAddress myIP = WiFi.softAPIP();
  Serial.print("Access Point IP address: ");
  Serial.println(myIP);

  // Configure server routes
  server.on("/", handleRoot);
  server.on("/forward", handleForward);
  server.on("/backward", handleBackward);
  server.on("/left", handleLeft);
  server.on("/right", handleRight);
  server.on("/netral", handleNetral);
  server.on("/speed", handleSpeed);

  server.begin();
}

void loop() {
  server.handleClient();
}