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A Great Guide to Glorious Gates

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jerielsr1's Avatar jerielsr1
Level 33 : Artisan Engineer
45
Hey there,

If you're reading this, I assume you know the basics of redstone. A logic gate is any combination of blocks, torches, and redstone that takes an input (or inputs) and creates an output (or outputs). Logic gates in Minecraft are a way of using redstone circuits in a manner that a certain combination of inputs, or redstone signals, achieves a certain output. They are similar to computer logic gates in a way, but are slightly different in their constructs.

Key:
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Some basic info about Minecraft needed to understand redstone circuits and gates:
1) There are several items that can provide an input charge into redstone. These are levers, pressure plates, redstone torches, redstone blocks, buttons, detector rails, tripwire hooks and daylight sensors.
2) Switches are most commonly used with gates because of their ease of use and the fact that they are easily made.
3) When redstone torches are powered, they go into an "off" state and stop providing power themselves.
4) Any block can have redstone placed on it except leaves and glass, with a few more exceptions.
5) Glowstone can have redstone wire placed on it, but not torches or repeaters.



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Now this is most simplest gate you will come across. All it does it create an input value of 1 or 0. When the input signal is on, the output signal is on, and vice versa. Even though it just creates an output, it is called an Iput/Output gate, because it creates an input for another redstone device.



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This gate is very similar to first one. Except the output is inverted (opposite). The most commonly used NOT gate. Also called an inverter. It is called the NOT gate, because, if you give in an Input of 1, it will output 0, and then vice versa. For instance, when the switch, or input, is set to "on", the output will be toggled to "off", and when the switch is toggled to "off", the output will be toggled to "on".



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This gate is a tiny bit more complex than the other two, but is commonly used it redstone creations/devices. An AND gate (A∧B) is used with two or more switches or other inputs. The output is toggled to "on" ONLY when both switches, or inputs, are toggled to "on". Otherwise, the output will remain "off".




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The NAND Gate is basically an inverted AND Gate. It combines the NOT Gat and AND Gate together. A NAND gate (A↑B) is the opposite to the AND gate. The output is toggled to "off" ONLY when both switches are toggled to "on". Otherwise, the output is set to "on". This gate also requires two or more inputs.




For this blog, there are still many many many more GATES, please show your appreciation of this through Favoriting <3, Diamonding and Subscribing §. The next blog will be some advanced gates and some gates combined! Thanks for reading this! Hope you loved it!

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JerielSR1
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1
01/23/2014 9:54 am
Level 19 : Journeyman Scribe
Jiloacom
Jiloacom's Avatar
Nice as a start, but you need to update it with more gates. :)
1
01/23/2014 12:10 pm
Level 33 : Artisan Engineer
jerielsr1
jerielsr1's Avatar
Thanks, will do :)
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