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I have a secret room set up behind a fireplace that works well, except the switch is outside and I cannot control the opening and closing of the room from inside the secret room. To open the pathway the redwire has to be 'on', so I need to turn it 'off' from the inside to close up the secret room and return the fireplace to normal.

Not sure what to do. Any suggestions?

Quote from Hitokage

I have a secret room set up behind a fireplace that works well, except the switch is outside and I cannot control the opening and closing of the room from inside the secret room. To open the pathway the redwire has to be 'on', so I need to turn it 'off' from the inside to close up the secret room and return the fireplace to normal.

Not sure what to do. Any suggestions?

idk i'm having trouble picturing what you want. i hate to say it but... screenshots.

Are you using a T-Flipflop to toggle it on/off, or are you using a lever?

If you are using a lever, try using a button or a pressure plate connected to a T-Flipflop. There are a lot of tutorials on here on how to build one :smile.gif:

-Standheizung

Seriously, why do all that complicated stuff? You can just make an AND gate. Here is how to build one:

The 2 wires on the left is where the 2 levers should be, and the wire on the right should be linked to the piston door.
If both of the levers are on, the door will open. So if it is open from the inside, pulling from the outside will open the door. Then from the inside, you turn it off. The door will close!

Quote from aetherX

Seriously, why do all that complicated stuff? You can just make an AND gate. Here is how to build one:

The 2 wires on the left is where the 2 levers should be, and the wire on the right should be linked to the piston door.
If both of the levers are on, the door will open. So if it is open from the inside, pulling from the outside will open the door. Then from the inside, you turn it off. The door will close!

That wont work, He wants The outside to turn it on, and the in to turn it off. You can have an IMPLIES gate that the outside is connected to, and on the inside the lever powers the top wire of the implies gate.



BrownShroom- Wire
Redshroom- Torch
And Obsidian Is any block.

a timed latch would work here, you just replace the levers with buttons or plates, its actaully a really simple way to power doors so they only stay open x ammount of time

When I need multiple inputs for a door, I just hook up both inputs to an OR gate, and the output to the door circuitry. It's cumbersome, to be sure, but it's simple.

Use the XOR gate from Grizdales logic compendium. I'll get a good picture up in a sec.

Edit: I have the picture:




So basically you can see both the levers attached (your levers shouldn't be there, these are there for testing purposes and to show you where your redstone should connect to). All YOU have to do is connect both of your levers to the redstone underground. The redstone on the right is the output and should lead to your door.

Getting screen shots of this piston room is like trying to get screen shots of the inside of the whole titanic... oh boy.

So, instead, I will give the youtube video that I generally followed to get it going. (Give me a break, my first time ever using redstone wiring was this project.)



The switch, for mine, runs out the back and around to the front of the fireplace, as seen in this pic:

http://i52.tinypic.com/2u56ybn.png

And here's the best shot of the inside I could get... this redwire path leads around to the front switch and the pic is taken from the inside secret room.

http://i56.tinypic.com/2096h49.png

I need to be able to be in this room and hit a switch located in a very tiny space (not much room to work with back here when it comes to where the wiring is). Mind you, I have a larger room behind me I can bring the wiring back to and send it back out to the front, so if that's what is necessary I can do that.

With what was already posted, will any of this work? Sorry, I'm still a newbie to it.

Quote from Cronofuge

Use the XOR gate from Grizdales logic compendium. I'll get a good picture up in a sec.

Edit: I have the picture:




So basically you can see both the levers attached (your levers shouldn't be there, these are there for testing purposes and to show you where your redstone should connect to). All YOU have to do is connect both of your levers to the redstone underground. The redstone on the right is the output and should lead to your door.

What kind of piston is that, or more specifically, what exactly is sticking out of it? Sorry, I am new to this. I can understand the rest of it... much to my own surprise, but not that piston.

Quote from DreadKyller

what you can do is have the lever outside attached to an and gate, the other input being the one inside. When the outside lever is pulled the door opens, go inside turn the inside lever off and the and gate turns off and the door closes.

I'm 100% new to this. I have literally NO idea what you guys are talking about with 'and' gates and 'or' gates.

Quote from CaduceusGUILT

Trust me, half of the people posting also have no idea how redstone works.

For example, an AND gate will only work if the inside is off, or if the outside is on. Otherwise, it's useless.

And an OR gate, really? An OR gate is barely considered a gate. It literally is just 3 wires connected together. Nothing special.

AND now you know. (see what I did there)

I can understand most of that picture above, and I managed to make some pretty nifty piston lava lights, so I'm at least trying. ^^;;

Okay, but how is an 'and' gate constructed?

Try the topic I just made for questions like this:
http://www.minecraftforum.net/topic/495777-ways-to-make-a-door-with-control-for-it-on-both-sides/
Please ask any questions about it on that topic.

Thanks to the above posted picture, I have a working inner switch. THANK YOU! Everyone's so nice and helpful here!