1. Open Google Calendar on a computer.
2. Hover the calendar in the left list → ⋮ → Settings and sharing.
3. Scroll to Integrate calendar.
4. Copy the “Secret address in iCal format” (ends in .ics).
5. Paste it into HomePal. Repeat for each calendar.

The secret link is private — anyone with it can see your events, so keep it safe. It stays on this device only.