temperature reader from lm35 (look into dht11/12)

esp32_temp.c.ino

#include "WiFi.h"
#include "ESPAsyncWebServer.h"
int analogPin = A0;

const char* ssid = "SOME_SSID";
const char* passwd = "SOME_PASSWD";

AsyncWebServer server(80);

float readTemp() {
  vout = analogRead(analogPin);
  return (vout * 500) / 1023;
}

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, passwd);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Initializing wifi ...);  
  }
  Serial.println("Connected at %s:, WiFi.localIP());
  server.on("/temperature", HTTP_GET, [](AsyncWebServerRequest *req) {
    float temp = readTemp();
    req->send(200, "text/plain", String(temperature));
  });
  server.begin();
}

void loop() {
  // TODO post temp reading every 5 minutes to the node (hub)
}