ESP_nano_2

#define BLYNK_PRINT Serial    // Comment this out to disable prints and save space
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
char ssid[] = "aaaaaaaaaaaa";
char pass[] = "sssssssssssssssssssssss";
char auth[] = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxx";

#include <Timers.h> //  my favorite timer
Timers <4> akcja; // 4  wątki

WidgetLED led1(V30); // vLED ESP indicator for test
WidgetTerminal terminal31(V31); //ESP terminal  for test

WidgetLED led00(V0); // vLEDs for NANO   - declaration for all vLEDs

WidgetTerminal terminal29(V29); //terminal for NANO

BLYNK_WRITE_DEFAULT() // send info form APP to NANO
{
  String strtosend = "";
  int pin = request.pin;      // Which exactly pin is handled?
  strtosend += 'V' + String(pin) + ':';
  for (auto i = param.begin(); i < param.end(); ++i) { //only 1 param now
    strtosend += i.asString();
  }
  Serial.println(strtosend);
}

void Blynkwrite(String str2) {//  command from NANO to APP

  String istr = str2.substring(1, str2.indexOf(':')); // nr vPin
  byte pin2 = istr.toInt();
  String  strdata2 = str2.substring(str2.indexOf(':') + 1); // if nr vPin typ int
  int  data2 = strdata2.toInt();
  char chardata2[10];
  int dl =  strdata2.length() + 1;
  strdata2.toCharArray(chardata2, dl);

  if (str2.charAt(0) == 'L') led00.setVPin(pin2); led00.setValue(data2); led00.setVPin(0);  //send LEDs data to APP
  if (str2.charAt(0) == 'S')  Blynk.virtualWrite(pin2, strdata2); //send str to APP
  if (str2.charAt(0) == 'I')  Blynk.virtualWrite(pin2, data2); //send int to APP
  if (str2.charAt(0) == 'C')  Blynk.setProperty(pin2, "color", chardata2);  // send color
  if (str2.charAt(0) == 'N')  Blynk.setProperty(pin2, "onLabel", chardata2); //send button label to APP
  if (str2.charAt(0) == 'F')  Blynk.setProperty(pin2, "offLabel", chardata2); //send button label to APP
}

// ....................................... recive string from serial
bool  stringComplete = false;
String inputString = "";
byte licznikodbioru = 0;
int startrecive = 0;

void recivestrfromserial () {
  if (stringComplete) {
  //  Serial.println("od  " + String(inputString)); //test
    Blynkwrite(inputString);
    inputString = "";
    stringComplete = false;
    licznikodbioru = 0;
    startrecive = 0;
  }
}

void myserialEvent() { // string z Serial
  if (Serial.available()) {
    licznikodbioru++;
    char inChar = (char)Serial.read();
    if (startrecive == 0) {
      if ((inChar == 'S') || (inChar == 'I') || (inChar == 'L') || (inChar == 'C') || (inChar == 'N') || (inChar == 'F'))  startrecive = 1;
    }
    if (startrecive == 1) {
      if (inChar == '\r')  {
        stringComplete = true;
        inChar = '\0';
        inputString += inChar;
        startrecive = 0;
      } else  inputString += inChar;
    }
    if (licznikodbioru > 50) inputString = "";
  }
}

void setup()
{
  akcja.attach(0, 1500, timer1sek); //  1 sek
  Serial.begin(115200);
  WifiBlynk(); //logowanie do wifi i blynk
} //end setup

void loop()  //>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> loop
{
  akcja.process(); //
  Blynk.run();
  myserialEvent();
  recivestrfromserial();
}
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>  end loop
void timer1sek() {
  blinkvLed();
  blinkLedNANO();
  //    Serial.println("ECHO ESP");
}
bool wsk3 = 0;
void  blinkvLed() { //test
  wsk3 = !wsk3;
  if (wsk3)  led1.off(); else  led1.on();
}

void  blinkLedNANO() { //test
  String strtosend = 'V' + String(0) + ':' + String(wsk3);
   Serial.println(strtosend);
}

void WifiBlynk() { //logowanie do wifi i blynk nie wstrzymujące wejścia do pętli głównej
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, pass);
  Blynk.config(auth);
  WiFi.status();
  Blynk.connect();
}

bool isFirstConnect = true;
BLYNK_CONNECTED() {
  if (isFirstConnect) {
    Blynk.syncAll();  //ważna procedura - po starcie arduino synchronizuje wszystkiw wirtualne piny ze zmiennymi programu
    isFirstConnect = false;
  }
}