Bluetooth without internet possible?

I like to command an ARDUINO UNO with bluetooth HC-05, without internet, is it possible?
I tried the following example:

#define BLYNK_PRINT Serial
#include <BlynkSimpleSerialBLE.h>
#include <SoftwareSerial.h>
SoftwareSerial SerialBLE(10, 11); // RX, TX

char auth[] = "6263963ad8024762a6d8aadbf55ac979";

void setup()

  Blynk.begin(SerialBLE, auth);

  Serial.println("Waiting for connections...");

void loop()

it works well, but it requires internet, at least for starting the application
any help is appreciated


This has been covered many times on this forum (as has properly formatting any posted code)… but basicly NO… primarily because the App requires connection to the Blynk server… the server controls the App login and stores all your projects.

The closest you would get would be a Local Server installed on a device like a RPi that was also set up as a WiFi hotspot that your phone could connect to. That method would also work for WiFi enabled MCUs.