Blynk not work

my blynk program is not see the photon online as the photon is online in front of me

#define BLYNK_PRINT Serial

#include <blynk.h>

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "f09f162de7e541ba8d9787fea9045f4c";

void setup()
  // Debug console

  delay(5000); // Allow board to settle

void loop()
  // You can inject your own code or combine it with other sketches.
  // Check other examples on how to communicate with Blynk. Remember
  // to avoid delay() function!

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    • Hardware model + communication type. For example: Arduino UNO with Ethernet Shield
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void loop()


It’s very difficult to help if you don’t provide the basic information that was requested.


Of course it does not work. You will need to specify ssid and password for the network you want to connect, auth key is not enough.

I’m surprised the code compiles.

@asmaa, What type of connection are you using?