data/Basic1/IotBasic/wifisettings.h

const char* ssid = "myssid";
const char* password = "mypasswd";
const char* mqtt_server = "test.mosquitto.org";
const short mqtt_port = 1883;
byte mac[] = {0xDE, 0xAD, 0xBE, 0xE9, 0xE9, 0xE9};