#include<DHT22.h>
#include <Adafruit_SSD1306.h>
#include "WiFi.h"
#include "ESPAsyncWebServer.h"
#include <Wire.h>
#include <Adafruit_Unified_Sensor.h>
DHT22 dht(26,DHT22);
const char* ssid = "ESP32-Access-Point";
const char* password = "123456789";
ESPAsyncWebServer server(80);
String readTemp(){
  return dht.readTemperature();
}
void setup(){
  Serial.begin(115200);
  Serial.println();
  dht.begin();
  Serial.print("Setting AP (Access Point)…");
  WiFi.softAP(ssid, password);
  IPAddress IP = WiFi.softAPIP();
  Serial.print("AP IP address: ");
  Serial.println(IP);
  server.on("/temperature", HTTP_GET, [](AsyncWebServerRequest *request){
    request->send_P(200, "text/plain", readTemp().c_str());
  });
  server.begin();
}