Thread: [Redstone: Circuit] Making buttons act like switches (multiple button circuits)
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Canada WNxHobbit4
11-26-2011, 06:17 PM
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[Redstone: Circuit] Making buttons act like switches (multiple button circuits)
Introduction
When I was building secret doors and hideouts after 1.7 with sticky pistons I wanted to figure out a way to have a switch on both sides of a door. You can do this one of two ways.
  1. Using a XOR gate with switches
  2. Using a T-Flip Flop with buttons

I will be showing you how to use a T-Flip Flop with buttons on how to make buttons act like switches for a circuit. This circuit will allow you to place multiple buttons for doors or mechanisms. I use it to place well hidden buttons to open shut hidden doors on both sides of the wall. The door will stay open/shut and will not react as if a simple pulse was sent to the door.

Technical Definition for T-Flip Flop
The basic purpose of a T-Flip Flop is to store state information. A full explanation can be found in the link below
http://en.wikipedia.org/wiki/Flip-flop_(electronics)
The Circuit

Item Requirements
7+ Redstone
8+ Filler Blocks
2 Redstone Torches
2 Regular Pistons (NON STICKY, if you use a sticky piston this wont work)
2 Repeaters
1+ buttons input or pressure pads for input control

Here is a picture of the circuit
Click the image to open in full size.

For a detailed video on how to make the circuit look at the video in the source.

Source
I did not come up with this idea, it came from searching youtube, so I want to give credit to the original author. The circuit shown above was made from following a youtube tutorial for a larger project (Link is below and I linked the video to the exact part where he talks about making a T-Flip Flop).

http://www.youtube.com/watch?v=NTD49WzXGqc#t=11m39s
Testing
To test the circuit attach a button as shown in the picture above or in the youtube video then follow the following steps.
  1. Look at the output state
  2. Press the button
  3. Check the output state again and it should be the opposite of what it was in step 1
  4. Repeat the process to make sure that each button press turns the output on or off.
Notes: If you have multiple buttons on the input repeat the steps to make sure that the state changes... if steps 1-4 work for a single input and your second button does not work, your wiring to the input may need looking at.
Notes
The gate shown in the video was really fun to build on my test single player map.... but I have used the T-Flip Flop for so many different things... its a really good for multiple inputs.


The circuit shown here is more of a memory circuit rather then a true T-Flip Flop, however it was still called a T-Flip Flop so I called it the same thing.


Connect the output to your device or target circuit. Connect any buttons or pressure pads to the input. You may use multiple buttons/pressure pads for this.


Do not use a switch for the input of a T-Flip Flop. A switch can be used for a input on a T-Flip Flop, but for the output to change from the ON state to the OFF state the switch must be flipped more then once (the switch must change from the off to on state to make the T-Flip Flop output to change).


PS. Let me know if I am posting in the wrong area or if I should post more things like this because I know quite a bit about redstone. I am also designing a hidden floor staircase, but its quite a challenge if you are going to have a 2 block wide passageway.



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11-27-2011, 02:59 PM
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Nice tutorial! +rep



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11-28-2011, 12:01 AM
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Thanks
I will try and make a few more



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12-05-2011, 12:39 AM
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very nice.



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12-06-2011, 03:16 PM
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Can someone change the title of the thread to

[Redstone: Circuit] T-Flip Flop - Multi Input Circuit Using Buttons

I would really like that



Last edited by WNxHobbit4; 12-06-2011 at 03:54 PM..
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12-31-2012, 10:41 AM
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They added redstone latches now, you should check it out.



 
 
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