If the video help.
How to make a piston door that can open from both sides.
Be sure to place your sticky pistons carefully to ensure they will be able to open and close the secret door.
For building a simple 2 2 hidden door place the pistons as seen above.
This is a minecraft tutorial for a piston door that opens on both sides with a lever.
If you were on the other side you couldn t close it again.
Step 2 connect the piston activators with redstone 1 dig a two deep trench connecting the redstone torches on each side of your piston set up 2 remove a block underneath the block that your redstone torches sit on.
Now if you wanted an ordinary piston door controlled by a lever then you can place the lever as shown.
A longer video than normal showing in detail how to make a double piston door that is openable from both sides and has hidden redstone.
Piston doors that open close from both sides.
But this only works one way.
Place 12 blocks over the top only make one layer of blocks to cover everything.
Be sure to do this for both sides.
Flicking it down will open the door flicking it up again will close it.
Do this on either side 3 place a redstone torch.
This is a video response from someone who commented on a previous video.
Due to popular demand here is how to open the hidden door from both sides.
Add 4 sticky pistons to each side of the door.