H Library Zip - Blynksimpleesp8266

char auth[] = "your_blynk_auth_token"; char ssid[] = "your_wifi_ssid"; char password[] = "your_wifi_password";

To use the BlynkSimpleEsp8266.h header, you need to install the Blynk IoT library blynksimpleesp8266 h library zip

Add to sketch:

Search for "" and install the version by Volodymyr Shymanskyy . char auth[] = "your_blynk_auth_token"

void loop()