I’ve been exploring ways to integrate my Google Calendars into my smart home setup, and I wanted to share my journey and findings with the community. For those who might be interested in something similar, here’s how I approached it.
The Goal:
I wanted to create a widget that displays the next three events from multiple Google Calendars. This would help my family stay organized by having all our events—sports matches, appointments, birthdays—in one place. I use several calendars: one for myself, one for my wife, and another for family events. The challenge was to pull events from all these calendars into a single view.
The Process:
I started by researching the calDav Personal Binding in openHAB, which I knew could connect to Google Calendar. After setting it up, I could see individual calendar events linked to items. However, combining events from multiple calendars into a single widget wasn’t straightforward. I explored the possibility of using openHAB’s built-in features and even considered writing a custom rule to aggregate events.
The Solution:
After some trial and error, I discovered that using a combination of openHAB’s event processing and a bit of custom coding allowed me to pull events from all calendars into a single list. I set up a rule that periodically checks each calendar for upcoming events and compiles them into a list. This list is then displayed on a widget on my dashboard.
Tips for Others:
- Start Small: Begin by connecting one calendar and ensure it’s working before adding more.
- Use Labels: Clearly label each event with the calendar it originates from to avoid confusion.
- Automation Rules: Don’t hesitate to use openHAB’s rule engine to handle more complex tasks like aggregating events.
- Testing: Test each part of your setup incrementally to identify and fix issues early.
Outcome:
This integration has been a game-changer for our household. Having all our events in one place has reduced the chances of missing important dates. It’s also been a great learning experience, reinforcing how powerful openHAB can be with a bit of creativity and tinkering.
If anyone has questions or needs help setting something similar up, feel free to reach out! Happy automating! 