and 12345678 for the security key to access DoItWiFi AP, once you get connected surf to 192.168.1.1
Hint: If your portable can not do n as in b/g/n WiFi you won't see the ESP8266 ! Took awhile to dawn on me.
Nice product, DoIt Dev, has CH340 and the driver network installed from Microsoft on Windows 10. ESPlorer is a functional IDE but I've got no idea why the AT tab is not gray'ed out when a NodeMUC device is plugged in...