It was not too bad. I finished it on two afternoons over a weekend. And I don't have a lot of experience with electronics. I do recommend having a multimeter on hand to check the connections.
The documentation is not perfect, but the people behind the project are constantly improving it. Also, they are very helpful on discord (even though I cannot stand discord as a platform).
Thanks. I think, helping the wildlife around here is a lost cause. There are a lot of cats in this neighborhood. But I do hope that it helps to protect our cats, since we lost our last two cats outside within the last two years.
Germany: Döner Kebap ist still the most common fast food.