It s a very simple way to make a door that needs a key.
Hopper door lock minecraft.
Final and gate if connected to iron door.
It s as if hoppers don t just pull items out but push items in.
First i tried locking both of them and it worked but i thought it was kinda ugly so i tried a chest as an intermediary and it seems right.
Wait for the door to close then use the lever to push it to the on position.
These outputs are connected to final and gate.
The redstone circuit required is simple enough but it gets more complex when adding a dropper a hopper and a redstone comparator.
Order sensitive rs nor combo lock.
A door that opens when buttons are pressed in certain order.
Construct a xnor gate where.
You can hide the hopper by using either minecarts or blocks that are not full height slabs stairs soulsand use a inverted door you can simply open this one with a redstone torch even with block protection it might be long enough to clip through.
Item sorters are a type of redstone mechanism which can be used to filter specific items into chests they generally work using two hoppers as shown in the schematic the top hopper is filled as shown under the image.
It s a very simple way to make a door that needs a key.
But to really hide the piston door better we need to use some advanced redstone circuits.
And the push of the top hopper was overriding the lock on the bottom hopper.
A good place to start is rogue fox s guide to making an invisible button for a hidden piston door.
2 of the wires meet.
Connect to adjacent outputs with and gates.
From outside walk over the pressure plate and through the door.
When enough items fill the top hopper the bottom hopper is unpowered so that it can remove the extra.