When you first start to build redstone devices, one of the first items you may find yourself building is a redstone repeater. These blocks are useful for restoring redstone signals back to full strength, delay signals, prevent signals from moving backwards, and locking signals in a certain state. There are a lot of creative applications that you can use for redstone repeaters and having them on hand makes building redstone devices much simpler.
- 2 Redstone Torches
- 1 Redstone Dust
- 3 Stone
To make a redstone torch you will need redstone dust and sticks. Make them like you make regular torches except replace the coal with a piece of redstone. You ought to have plenty if you have run into it in your mines. To finish making the repeater you will need three regular stones and not cobblestone or smooth stone but the state in between.
|Redstone Torch||Redstone Dust||Redstone Torch|
Take your ingredients to a crafting table and place a row of stone, a torch on either end, and a redstone dust in the middle.
That’s all you need to make a redstone repeater.
Utilizing redstone can be intimidating. It helps to know some basics like a redstone pulse will only go out to fifteen blocks. Much of redstone is straightforward and logical, it becomes easier to understand when you see it for yourself.
In a Nutshell: There are 4 different uses for a redstone repeater: you can transmit signals further, you can delay the signal from reaching its output, they can also prevent signals from moving backwards if you need another input further up the wiring, and finally you can lock signals into a certain state.
A redstone repeater will not accept a signal from the opposite direction that it is facing. If you want to prevent a signal from looping back into itself you can use redstone repeaters for that. You may run into situations where the redstone has to come back to its input. A redstone signal will not go through the back of a repeater.
A repeater only transmit signals one way.
It will transmit signals when the back is powered with a powered redstone dust, redstone torch, redstone block and other power sources. It will transmit the signal to the block in front of it, this can be the output you want like redstone lamps, another redstone repeater, more redstone dust, etc. Another thing to note is that a redstone repeater powering a block will input a strong signal rather than a weak signal from redstone dust. A strongly powered block can power adjacent blocks.
Redstone can only emit up to fifteen blocks.
The top lamp is not being powered because the redstone signal peeters out before it reaches the lamp. Redstone repeaters can be used to repeat the signal and act as a new power source as long as it is receiving power.
By placing a repeater down its track the redstone signal becomes repeated and will continue until it reaches another fifteen blocks. You can use this repeating signal as many times as you want as long as the repeaters are still being powered.
You can also right click on a repeater to slow the speed that it transmits its signal.
Once this clock has been powered it will slowly travel around the ring of redstone repeaters and power the lamps set to the sides at a set interval. A repeater at max delay will take half a second to emit its signal. For this particular clock, it will take 2.5 seconds for it to reach its next lamp (5 repeaters, 0.5 seconds of delay each). With multiple repeaters you can set this delay to whatever specific delay you need for a redstone contraption.
You can lock a signal in place by placing another repeater facing into a repeater.
The repeater at the bottom has been locked and the signal will stay on even if the torch to the right is broken.
You can do the opposite of this and keep the signal locked on the off state as well.
This can be useful when you are working with multiple redstone signals and devices for your home or base. With levers you can decide if you want to keep the house lights on by locking the signal in place or keep the lights off by locking the signal.
You can make a redstone clock with just two repeaters and four redstone dust. This configuration will not burn out like a redstone torch looped into itself will.
You can lock four repeaters into the on state by pointing four repeaters into each other. This does not have a practical use, but it is a way you can have redstone repeaters stay on without any further inputs.
Comparators will compare the block in front of them and emit a redstone pulse depending on the state of the block in front of it. Repeaters transmit signals further, delay the signal from reaching its output, prevent signals from moving backwards, and finally you can lock signals into a certain state.
Repeaters that are locked will keep their locked state so long as the repeater that is locking it stays on. Repeaters will turn off if they do not have any inputs.
Feed a redstone signal into the repeater. You can also right click on the repeater to increase its delay.
Place four redstone dust and two repeaters.
Then power the circuit with a redstone torch or lever and break it immediately. This redstone repeater loop will stay on even if you log off and come back in.
The least it can delay is 0.1 seconds at its lowest setting. At its highest setting the repeater will delay for 0.5 seconds. Of course if you want to increase the delay even further, place more redstone repeaters.
To compare the state of the block in front of it. It may seem like a redstone repeater in appearance, but its functions are entirely different. The signal it emits depends on the state the block it is comparing is in. A comparator will check how full a chest is, the direction an item frame is pointing, and even check strengths of redstone pulses.
To read more about Redstone Comparators, click here!
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