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Most compact redstone T flip-flop (4x3x2)


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#1

T7UNG
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Posted 22 May 2011 - 07:38 PM

Hello everyone, I've been playing around with T flip-flops and I came up with this.
I haven't seen a smaller design than this anywhere.
It is 4x3x2, and uses 3 repeaters, 4 redstone dusts, and 5 redstone torches.
The output is the torch on the blue block.

Minimum delay for the repeaters is 3; 4 will also work.


[simg]http://i.imgur.com/fbsl7.png[/simg]

[simg]http://i.imgur.com/v9j9M.png[/simg]

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#2

Grizdale
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Posted 22 May 2011 - 07:50 PM

nice I ll be testing that to see how well it works
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#3

robly18
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Posted 22 May 2011 - 07:55 PM

Nice! The most compact I've ever seen was 4x4x3
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#4

Grizdale
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Posted 22 May 2011 - 08:09 PM

It's a nice design and works perfectly and is the most compact redstone T flip-flop however it is not the most compact T flip-flop that belongs to the mechanical T flip-flop shown below.

Posted Image

This design is 5*3*1.
Posted Image

#5

robly18
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Posted 22 May 2011 - 08:14 PM

View PostGrizdale, on 22 May 2011 - 08:09 PM, said:

It's a nice design and works perfectly and is the most compact redstone T flip-flop however it is not the most compact T flip-flop that belongs to the mechanical T flip-flop shown below.

Posted Image

This design is 5*3*1.
That one has a problem tough:it isn't side-triggered.
Posted Image

#6

Lord_Drailmon
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Posted 22 May 2011 - 08:18 PM

You sir are a genius. Be aware that the picture is misleading because I was only able to make it work after changing the setting on the repeaters from what is shown there.
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#7

Grizdale
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Posted 22 May 2011 - 08:18 PM

View Postrobly18, on 22 May 2011 - 08:14 PM, said:

That one has a problem tough:it isn't side-triggered.

You should test the one in the original post that is not edge triggered either.
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#8

T7UNG
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Posted 22 May 2011 - 08:29 PM

Thank you everyone for the feed back.

View PostGrizdale, on 22 May 2011 - 08:09 PM, said:

It's a nice design and works perfectly and is the most compact redstone T flip-flop however it is not the most compact T flip-flop that belongs to the mechanical T flip-flop shown below.

http://img689.images...10522210719.png

This design is 5*3*1.
Darn, you're right! I have not thought of the mechanical T flip-flop.

I shall change the title to "Most compact redstone T flip-flop (4X3X2)" then =D

No, it's not edge triggered, it will not work if you replace the button with a lever. but it works fine by itself, giving a steady output.

#9

Grizdale
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Posted 22 May 2011 - 08:40 PM

View PostT7UNG, on 22 May 2011 - 08:29 PM, said:

Thank you everyone for the feed back.


Darn, you're right! I have not thought of the mechanical T flip-flop.

I shall change the title to "Most compact redstone T flip-flop (4X3X2)" then =D

No, it's not edge triggered, it will not work if you replace the button with a lever. but it works fine by itself, giving a steady output.

It is still very nice and since a part of it produces a pulse when it switches from off to on so you can use it to make a very efficient binary counter. Also the mechanical T flip-flop doesn't work very well with lag or in smp so can break easily so your design will defiantly be my preferred design for future use.

And as a final note,
Welcome to the forums.
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#10

Simnik
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Posted 22 May 2011 - 09:14 PM

This looks really good. Great job finding it.

I haven't get it to work with the 10-tick pulse an button gives. According to my simulations, it would require a 5-8 tick input. But by setting all repeaters to 1, it could accept a pulse at 3 or 4 ticks.

This is the picture of this T-flipflop with a 3-tick edge trigger. The flipflop in itself is in the blue box: (5*5*2)
Posted Image

With this constellation, you can also connect it to other redstone components simply by using another input than a button.

EDIT: maybe I should specify, that I haven't tried this ingame. Only in my simulator.

Edited by Simnik, 22 May 2011 - 09:18 PM.

Participate in the completely free MIT course 6.002x "Circuits and Electronics". You can still enroll!

#11

Evil_LeGeNdZz95
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Posted 22 May 2011 - 09:35 PM

The first picture needs changing. The Redstone Repeater to the left of the Blue wool block is wrong. For me this setup wouldn't work unless I had that Repeater on setting 4. Maybe it's just my game, I don't know.

#12

rolfdavid
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Posted 22 May 2011 - 10:11 PM

What is the difference between edge and level trigered flip-flops?

#13

T7UNG
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Posted 22 May 2011 - 10:14 PM

Seems like some people are having trouble with the repeater settings,
the minimum delay for the repeaters is 3, so setting them to 4 will also work.

here's a video



#14

Grizdale
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Posted 22 May 2011 - 10:16 PM

View Postrolfdavid, on 22 May 2011 - 10:11 PM, said:

What is the difference between edge and level trigered flip-flops?

An edge trigger is basically a pulse generator so it would turn any signal pulse or constant into a pulse. It means that it can also accept constant inputs which can be important in some systems.

Level trigger is just the absence of an edge trigger.
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#15

NinjaQ
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Posted 22 May 2011 - 10:26 PM

Thanks! I'm currently making a voting booth with this, but it will have to have a manual counter or a minecart counter. Does anyone have a better idea?
NinjaQ:Indev= IN DEVelopment
Catgirl12446: Infdev= INFinite DEVelopment
Ranavalona: FUUUUUUU-

5-43-31-18
Tell me what that means for a +1 respect

#16

joman195
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Posted 22 May 2011 - 10:42 PM

View PostGrizdale, on 22 May 2011 - 08:09 PM, said:

It's a nice design and works perfectly and is the most compact redstone T flip-flop however it is not the most compact T flip-flop that belongs to the mechanical T flip-flop shown below.

Posted Image

This design is 5*3*1.
Tell me how well that works come 1.6
Skal ~Joman195

Posted Image


#17

Kaleb702
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Posted 22 May 2011 - 11:58 PM

what the heck does 1.6 have to do with anything?
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#18

The_Battousai

Posted 23 May 2011 - 12:08 AM

View PostKaleb702, on 22 May 2011 - 11:58 PM, said:

what the heck does 1.6 have to do with anything?

Notch has reportedly fixed a bug (part of 1.6 update, which is mostly bug-fixes) with minecarts gaining excessive momentum when interacting. It may nullify using minecarts like in the above picture.

#19

Kaleb702
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Posted 23 May 2011 - 12:12 AM

View PostThe_Battousai, on 23 May 2011 - 12:08 AM, said:

Notch has reportedly fixed a bug (part of 1.6 update, which is mostly bug-fixes) with minecarts gaining excessive momentum when interacting. It may nullify using minecarts like in the above picture.

"excessive". doesn't say completely. Though that is to be worried about...
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#20

frznrng
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Posted 23 May 2011 - 08:17 PM

Wow this is very good, i can use this to keep my doors opened