Hello all! My name is papertazer :)

I have not done redstone in a long time, so I figured I would try and do something. It just so happens that last night I was on my friends server when he said "wouldn't it be cool if disks could be used as keys?". I thought that was probably the best idea I ever heard of. So, thanks to the release of 1.5, this is possible. I put a juke box beside my door connected with a comparator. This opens the door no problem. I showed my friend, and he was like yeah, But what if only ONE music disk worked? And you could pick what one? And then I realized, this is also possible. So I came up with a huge bulky design. My design failed about 6 times until I got it correct. The secret was pistons. After I got it correct, I made it smaller, and that is what I am showing you here.

Take a look at this picture,

See how only two are lit up? Well this is because I used music disk 2 (cat) as my key. Music disk 1 sets out a signal of 1, music disk two sets out a signal of 2, and so on.

Here are 3 pictures showing how my key works. Picture one is disk 1, picture two is disk two (my key) and picture 3 is disk 3. Disk 1 is too weak and disk 3 is too powerful. Watch.

Disk 1:


Disk 2:


Disk 3:


As you can see, The door only opens on disk 2. Look at this next picture. You will see how disk two is sent directly to the door, and if disk two is in the juke box, the pistons will line up.


I have added a download so you can check it out for yourself.

Thank you for reading this!

-papertazer

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