[Pei Der Han]

And for those who do it themselves, do you use an electronic timer to help you?
...

I do my own and don't have any thing more than the atomic clock on the computer.

Regulating the 7s26 can be a challenge and definitely a bit frustrating. You need to make extremely small adjustments to the regulator or your attempts will result in major swings from way too fast to way to slow.