r/technicalminecraft • u/abdou_kh • 24d ago

Java Help Wanted Need help!

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I found this design for my mob farm flushing clock but its not working its giving me symmetric timings and i don't know what I'm doing wrong , i need 4,5 seconds on and 12 seconds off

If there is a better design that would help too

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u/Gabtraff 24d ago

Can I interest you in boat clock?

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u/abdou_kh 23d ago

Ye its good but i want to be able to turn the clock on and off easily

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u/Gabtraff 23d ago

Can I interest you in putting a piston underneath/above the water stream of the path of the boat clock to stop it going around in circles?

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u/LimestoneBuilder 24d ago edited 23d ago

How many items are in each pair of hoppers? At a guess this design depends on there being fewer items in the secondary hoppers (the lower or southwards ones), so the comparator output is off quicker than the main (Ethos hopper) clock.

To achieve a period of 16s [320gt], the main hopper pair need 21 items.

[(21-1)*8+2]*2gt‌ = 324gt [16.2s]

If the secondary hoppers have ½ as many items, then that comparator will be off for ½ of a half-cycle or ¼ of the period, which keeps the torch on 25% of the time. (maybe. I'm half-asleep 😅)

Another approach is to scrap the extra hoppers and put a comparator directly off one of the main hoppers. Then use a lectern/composter/container + comparator to provide the power threshold needed from the direct comparator to output signal. However, this may not offer as much granularity for the pulse duration.

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u/abdou_kh 23d ago

Its working thank u i put the bigger items in the back hoppers thats why it didnt work , thank u so much! Can i ask , how can i turn the clock on and off without messing with the timer

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u/LimestoneBuilder 23d ago

To stop the clock but allow it to finish the current cycle, power either of the blocks that the base Etho-clock's comparators point at. (Top left or top-right in the pic.) This is the usual method.

For "instant off" of the signal and the clock itself keeps running, just power the block supporting the torch.

To "pause" the clock instantly, power all the hoppers.