mojiAh

#include <ESP8266WiFi.h>

void setup() {
  Serial.begin(115200);
  String clientMac = "";
  unsigned char mac[6];
  WiFi.macAddress(mac);
  clientMac += macToStr(mac);
  Serial.println();
  Serial.println(clientMac);

mojiAh

#include <ESP8266WiFi.h>
#include <PubSubClient.h>
#include <DHT.h>

// DHT settings
#define DHTTYPE DHT11
const int buttonPin = 14;
int buttonState = 0; 
const int DHTPIN = 12;
DHT dht(DHTPIN, DHTTYPE);

mojiAh

let sum_x: number = 0;
let sum_y: number = 0;
let sum_xy: number = 0;
let sum_xx: number = 0;
let count: number = 0;

/*
 * We'll use those variables for faster read/write access.
 */
let x: number = 0;