Diese Clock arbeitet mit einem Beobachter, 7 Verstärkern und ein bisschen Redstone Staub.
This clock works with an observer, 8 amplifiers and a bit of Redstone dust.
If it is activated, it takes a short time, then it first flashes and switches on permanently after 28 ticks, after switching off it takes 29 ticks.
The clock is very compact, so it can be built over a ceiling etc.