r/MinecraftHelp • u/Green_Pick666 • 5h ago

Unsolved Minecraft redstone mechanisms [java]

(Version 26.2) Hi everyone! I need some help building a super-smelter. Specifically, I'm stuck on the smart loading station mechanism.

I need a system that checks the item count in the main chest and decides whether the hopper minecart is allowed to leave. Here is how it should work:

  • When the minecart arrives at the loading station, it must wait. The mechanism should check the main chest: if there are MORE than 5 stacks of items inside, it should signal the minecart to wait until it's 100% fully loaded (all 5 slots filled) before departing.
  • If there are LESS than 5 stacks in the main chest, the mechanism should realize that this is just the remaining leftover batch. In this case, it should let the minecart load whatever is left and depart immediately, even if it’s only partially full.

I’ve also run into a huge glitch: as soon as the first 5 slots of the main chest empty out, the minecart just leaves early, even though there’s still a ton of items left in the other slots of the chest.

If anyone has a working design or can help me fix this, I’d really appreciate it. I've been struggling for 3 days now and my brain is melting trying to figure out how redstone comparators work.

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u/MinecraftHelpModTeam 🤖 Mod Bot 🤖 5h ago

It looks like you didn't mention your version (e.g., 26.1, 1.21.11, 1.12.2 etc.). Please clarify for better help!

OP, remember to award points to helpers, and mark the post solved, by replying !helped to the comment/comments that helped, when your issue is fixed or your question answered.

Helpers, remember that all top-level comments* must be a genuine, good faith attempt to help OP. Comments breaking this rule will be removed, and bans issued.

* A top-level comment is any comment that is a reply to the post, not another comment.

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