Set WiFi network SSID and Password after installation by connecting a device to GRGDO1 hotspot, named Garage Door ABCDEF (where last six characters are unique) and connect a browser to IP address http://192.168.4.1
The GRGDO1 v1 board uses a USB to UART and the v2 board uses a direct USB-C connection adapter for flash programing.
The v1 board will need the flash button depressed for about 1 second on power up to enable flash mode.
The v2 board is plug and play. Simply connect it.
Otherwise the firmware is preloaded and you can use the captive portal as an option.
A normal flashing process can take upto a full minute, so please be patient.
Select the target board version.
After physically attaching to USB, you can start the flashing process with the CONNECT button: