This door i am really proud of.
Minecraft hidden door bud switch.
It uses a bud switch to set it of then it replaces the block you destroyed and opens the door.
I have to give some credit to sethbling for demonstrating a few useful bud switches and mylifeinmc who demonstrated a normal stone generator.
Next replace the removed blocks with ones that can hold a painting but can also be walked through.
The detector used is the classic t bud or toggle bud which can be found on the wiki.
Minecraft 100 hidden entrance using furnace bud switch perfect for smp tutorial duration.
As such players are likely to check for secret passages even if they are not trying to invade or thieve.
Minecraft epic hidden door bud switch tutorial duration.
When the furnace is smelting it causes a block update which triggers the block update detector.
Finally mumbo jumbo returns with a range of hidden entrances you can make.
Minecraft how to make a hidden door duration.
The block update detector or bud switch is a redstone mechanism that uses quirks in the game in order to detect changes in nearby blocks.
To create the door start by digging a hole in a wall.
Another variation on this idea is docm77 s hidden switch which cleverly uses a series of armor stands to create a chain reaction that opens an iron door.