This is a total cop-out from me!
There are too many systems with different settings for me to do this justice.
I salute the people who have created these systems – absolutely AMAZING!
Also, I firmly believe the commercial systems are good enough to prevent needing to do all the hard work necessary to get DIYs up and running. But, if you love a challenge and are happy to put in the work, you can get super personalised.
If you want to do it, fill your boots here: