Adventurers, it’s time for this week’s redstone tutorial~ Most previous contraptions used redstone for power, which might seem a bit monotonous. So, this time, I’m “changing things up” by using a pufferfish as the “working fish” to output the signal core, creating a fully automatic hidden staircase door. This tutorial is somewhat challenging, so adventurers, pay close attention~ Let’s see how it’s made.
Pufferfish: I may not be human, but you really are…
Version: Java 1.15
First, let’s explain the core part of today’s machine. We’ll need tripwire hooks, string, and a bucket of pufferfish.
The mechanism utilized is: When an adventurer in Survival mode gets within a 5x5x5 area around the pufferfish, the pufferfish will get “startled” and begin to inflate—from uninflated, to half-inflated, to fully inflated.
▲ Player approaches, pufferfish inflates.
When the pufferfish inflates and grows larger, it will touch the tripwire, outputting a signal. When it shrinks, the signal disappears.
▲ Player moves away, pufferfish shrinks.
After understanding the core part, let’s start building! This tutorial will be divided into five parts. Adventurers, stay focused.
01. Basic Frame
First, as shown below, place two ordinary blocks and two redstone torches one block above the ground.
Next, as shown, place three sticky pistons to the left of the topmost ordinary block.
Then, within the area marked by red lines, place six ordinary blocks and sticky pistons.
Place two redstone repeaters in the area marked by red lines.
Set the left repeater to the second tick delay. Place redstone dust as shown.
For easier distinction, I will use different colored blocks for different parts of the contraption.
02. Trigger Device (Left)
Next, let’s build the other side. First, place six iron blocks in the area marked by red lines.
Place a redstone repeater in the selected location and set it to maximum delay.
Then, place three redstone torches in the selected area. Check that the torches’ states match the picture.
03. Layered Mechanism
Step 1: Place blocks in the area marked by red lines.
As shown, place three redstone repeaters and connect them with redstone dust. Set the two on the left to the third and first tick delays respectively.
Place redstone dust in the corresponding selected area.
Note: Also place redstone dust on this block on the back~
04. Trigger Device (Right)
As shown, place blocks in the area selected by the red line.
▲ Note: Do not place a block where the arrow is pointing.
Then, in the red-marked area, place redstone torches and a repeater, connecting them with redstone dust.
At this step, half of our hidden door is complete. Adventurers, you can take a look at the demonstration effect.
05. Main Trigger
Next, let’s build the most crucial part: the “Pufferfish” Trigger.
First, let’s decorate the interior of our hidden door. Create a platform using blocks you adventurers like.
Then, place a 3×3 area of wooden slabs at the front edge of the first row of planks.
Next, let’s make a “transparent fish tank.” As shown, place glass and ordinary blocks in the area marked by red lines.
The “fish tank” is ready. Now it’s time to place the pufferfish. Here’s a small key point: when placing the bucket of pufferfish, do not click directly on the placed slabs. Instead, click on the glass part of the “fish tank” to place it. This way, the pufferfish won’t swim out.
Then, as shown, connect the “Pufferfish” signal to the contraption’s circuit. The “Pufferfish” Trigger is now complete~
Have you been following my steps carefully, adventurers? The next steps are really the last “few” (so many) steps.
Place blocks in the red-marked area to extend the circuit.
Then, in front of the last row of stone, place two stone blocks and one slab.
Finally, do a little finishing touch, add a button, and it’s done!
But many adventurers might be confused: “Why isn’t my door moving?” Don’t worry. Stand on the “Pufferfish Trigger” you just built for a while. Wait for the hidden door to successfully open and close once; after that, it will run smoothly.
▲ Final Result Showcase
Come see the effect with me. Isn’t it super interesting!
Such a hidden door is very deceptive in appearance. Most people wouldn’t discover it at all!
