Iberotecno. Water sensor with telegram warning system.

aquapost_v1.ino

/*******************************************************************
Iberotecno

Water sensor with telegram warning system
*******************************************************************/

#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <UniversalTelegramBot.h>
#define CHAT_ID "782590438"

//OLED
#include "Arduino.h"
#include <Wire.h>
#include "SSD1306.h"
#define Vext 21
#define SDA      4  //OLED SDA pin
#define SCL     15 //OLED SCL pin
#define RST     16 //OLED nRST pin
#define Fbattery    3700  //The default battery is 3700mv when the battery is fully charged.
float XS = 0.00225;      //The returned reading is multiplied by this XS to get the battery voltage.
uint16_t MUL = 1000;
uint16_t MMUL = 100;
SSD1306  display(0x3c, SDA, SCL, RST);

// Initialize Wifi connection to the router
char ssid[] = "Viurex";     // your network SSID (name)
char password[] = "Anemona12@."; // your network key

// Initialize Telegram BOT
#define BOTtoken "640232033:AAEqe4BlVkjMivcuxJ16rdfA6g8EMujJiLc"  // your Bot Token (Get from Botfather)
WiFiClientSecure client;
UniversalTelegramBot bot(BOTtoken, client);
int Bot_mtbs = 1000; //mean time between scan messages
long Bot_lasttime;   //last time messages' scan has been done
const int pinBuzzer = 27;
const int waterSensor = 33;
int valor = 0;
int acu = 0;

void setup() {
  Serial.begin(115200);
  Serial.println("inicio");
  esp_sleep_enable_ext0_wakeup(GPIO_NUM_33, 1);
  pinMode(Vext, OUTPUT);
  digitalWrite(Vext, LOW);
  delay(1000);
  display.init();
  display.flipScreenVertically();
  display.setFont(ArialMT_Plain_10);
  display.drawString(0, 10, "Iniciando dispositivo...");
  display.display();
  delay(1000);
  display.clear();
  adcAttachPin(13);
  analogSetClockDiv(255); // 1338mS
}

void loop() {
  int valor = analogRead(waterSensor);
  if (valor >= 5) {
    // Attempt to connect to Wifi network:
    Serial.print("Connecting Wifi: ");
    Serial.println(ssid);
    display.drawString(0, 10, "Conectando a Wifi...");
    display.drawString(0, 20, ssid);
    display.display();
    // Set WiFi to station mode and disconnect from an AP if it was Previously
    // connected
    WiFi.mode(WIFI_STA);
    WiFi.begin(ssid, password);
    while (WiFi.status() != WL_CONNECTED) {
      Serial.print(".");
      acu++;
      display.drawString(acu, 30, ".  ");
      display.display();
      if (acu == 10) {
        display.clear();
        display.drawString(0, 10, "Iniciando hibernacion");
        display.display();
        delay(1000);
        Serial.println("Going to sleep now");
        esp_deep_sleep_start();
        Serial.println("This will never be printed");
        acu = 0;
      }
      delay(500);
    }
    Serial.println("");
    Serial.println("WiFi connected");
    Serial.print("IP address: ");
    Serial.println(WiFi.localIP());
    String mi_ip = WiFi.localIP().toString();
    display.clear();
    display.drawString(0, 10, "CONECTADO!");
    display.drawString(0, 20, "Direccion IP:");
    display.drawString(0, 30, mi_ip);
    display.display();
    delay(1000);
    String message = "Agua detectada";
    if (bot.sendMessage(CHAT_ID, message, "Markdown")) {
      Serial.println("TELEGRAM Successfully sent");
      display.clear();
      display.drawString(0, 10, "Mensaje enviado!");
      display.display();
      delay(1000);
      for ( int i = 15; i != 0; i--) {
        String myString = String(i);
        display.clear();
        display.drawString(0, 20, "Esperando "); //PONER UN FOR Y CUENTA ATRAS
        display.drawString(55, 20, myString); //PONER UN FOR Y CUENTA ATRAS
        display.drawString(70, 20, " segundos"); //PONER UN FOR Y CUENTA ATRAS
        display.drawString(0, 30, "Antes de nuevo chequeo");
        display.display();
        delay(1000);
      }
      display.clear();
      display.drawString(0, 10, "Iniciando hibernacion");
      display.display();
      delay(1000);
      Serial.println("Going to sleep now");  //REVISAR QUE ENVIE REPTITIVAS VECES
      esp_deep_sleep_start();
      Serial.println("This will never be printed");
    }
    else {
      Serial.println("Fallo TELEGRAM");
    }
  }
  else {
    display.clear();
    display.drawString(0, 10, "Iniciando hibernacion");
    display.display();
    delay(1000);
    Serial.println("Going to sleep now");
    esp_deep_sleep_start();
    Serial.println("This will never be printed");
  }
}