After downloading, (uncomment and) change the following:
In b_setup_wifi.ino:
#define WLAN_HOSTNAME "doorbell"
// #define WLAN_SSID "SSID"
// #define WLAN_PASS "WIFIPASSWORD"In c_setup_mqtt.ino:
#define MQTT_SERVER "192.168.1.19"
#define MQTT_SERVERPORT 1883 // use 8883 for SSL
// #define MQTT_USERNAME "MQTTUSERNAME"
// #define MQTT_PASSWORD "MQTTPASSWORD"For over the air updating you'll have to configure a name and password.
In e_stup_webserver.ino:
// const char* update_username = "USERNAME";
// const char* update_password = "PASSWORD";