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Wire Creations

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This page is for descriptions of various Wire Creations. Use the Gallery section for pictures and the External Links section for external links. If you have wire traps, those should go on the Traps page of the wiki.

Terraria - Red Wire Traps Tutorial Terraria HERO(03:42)

List of Items Commonly Used in Wire Creations

Many of these items may be purchased from the Mechanic, otherwise they must be found or crafted:

Circuit Construction

Triggering Devices

Activated Objects

Light Toggle System

Possibly one of the easiest wire creations in Terraria: the simple light switch. To create a light toggle system, all you need to do is use Wire to connect one or more "wire-able" Light Source(s) to a triggering device such as a Timer, Lever, Switch or Pressure Plate. Many lights can be connected to a single triggering device on the same circuit.

NOTE: When building a light toggle system in your home--unless you want your doors toggled when you activate/deactivate the triggering device--do not allow the wire to touch them.

The light toggle system is used to quickly get rid of all the lights without breaking them. This could be particularly useful for a custom Terraria map. See the gallery below for pictures.

Lockdown System

See Also: House Defense, Traps

A lockdown system is a wire creation that allows a player to lockdown a house so that monsters and other players cannot easily enter. To create a lockdown system, you need to connect every Door in your house to a single triggering device on the same circuit.

NOTE: If your house also has a light toggle system or other circuits, be careful not to cross wires, unless your intention is to have your lockdown system on the same circuit as something else.

When the triggering device for this system is activated, all doors to your house will open or close. This system can be improved by placing Active Stone Blocks behind or in front of closed doors so that monsters won't be able to open them. Active/inactive stone blocks can also be used to build a drawbridge in front of your main entrance, and this drawbridge can be connected to your lockdown system to make your house more secure.

Bird Engine

A bird engine consists in a 3x1 or longer box with pressure plates in it and some additional space for a bird statue. To make it work wire a switch/button/lever to the bird statue and activate it. Then add a separate circuit wired to 3 or more pressure plates and to the object you want to wire it to (be sure to not cross the circuits). The more pressure plates and birds the box has, the faster the machine will activate. This machine is useful for rapid fire pressure plate pushing, just like the crab engine below.

Crab Engine

The crab engine is a wired machine powered by crabs in order to do rapid fire pressure plate pushing. This is particularly useful for farming items like gel and goldfish, but the crab engine can be added to a wide variety of wire creations.

Constructing the Crab Engine

To create a crab engine, you will need to connect a Crab Statue to a triggering device with wire. You will also need to construct a 2x2 box to trap a crab in, and place a pressure plate inside of that box. Active Stone Blocks can be used as part of the wall, though they will require their own circuit.

An optimal crab engine typically has 2+ separate 2x2 boxes, each with their own crabs and pressure plates. Red, Green, or Yellow Pressure Plates must be used as of 1.2. Those pressure plates are then connected to each other and various activated objects on their own circuit. Some even include some kind of trap to kill the crabs after they have finished their job.

Using the Crab Engine

To use the crab engine, you need to spawn a crab from the crab statue and somehow trap it in the 2x2 box that you constructed. An alternative to active stone blocks is to just wait for the crab to fall/walk into the box and then wall it in with blocks.

The crabs will jump at an incredibly rapid rate--far faster than a 1 second timer activates. The pressure plates that the crabs are jumping on will power whatever objects happen to be connected to them.

See the gallery and external links sections below for more info about crab engines.

Additional Notes

  • Other monsters such as Skeletons or Goldfish may be used instead of crabs to create a similar engine, though they may require a different sized box. Also, be careful with lava as it can damage the creation, and cause chaos in your world.

Fountain

A fountain can be constructed in many ways. You will need an outlet pump at the top and an inlet pump at the bottom. You may use a 1 second timer, a bird engine or a crab engine to repeat the process. I recommend the timer because it takes up less space. You will have to experiment with it to get it to work right. To start the engine you should have a switch, lever or pressure plate to start the timer or engine. Another reason you should use a timer is turning the fountain off because you would have to kill the enemy in an engine. Turning it off is important because leaving it unattended can cause it to overflow.

Statue Farm

See Also: Traps

A statue farm is a wire creation that allows the player to farm items such as Goldfish, Glowsticks or Gel by rapidly spawning monsters from certain Statues and then killing them. A good statue farm requires a circuit, several statues (usually 3 or more), a method of powering the statues, and a method of quickly killing the monsters once they've spawned.

Spawning Monsters

Here is a complete list of statues which spawn monsters. A money farm can be created by using fish statues and selling goldfish, and a gel factory can be created by using slime statues to collect gel--usually as ammunition for the Flamethrower.

Any triggering device can be used to spawn monsters, but the crab engine shown above is the fastest option. The next fastest method for spawning monsters from statues would be to use a 1 second timer.

Killing Monsters

There are many different ways to kill monsters that spawn from statues. You can kill them manually with a weapon, you can spawn Piranha from the Piranha Statue to kill them, or you could use an automated trap (example: Dart Trap).

However, the fastest method of killing monsters is to place the statues in a thin layer of lava. Many statue-spawned monsters have so little health that the lava will kill them instantly. As long as the lava in thin enough, items won't melt.

Collecting Items

To collect the items that the monsters drop when they die, all you need to do is stand close enough. Typically you would want to stand underneath or above the statues themselves. Having an NPC house next to your farm will allow you to quickly sell items when your inventory fills up. You could also place them in a chest.

Many different designs can be used with a statue farm. See the gallery and external links sections below for more info about statue farms.

Additional Notes

  • Generally, you will want to connect all of your statues to all of the triggering devices in your statue farm. If you have different circuits for different statues, then what you technically have is 2 separate statue farms, which may or may not be as economical.
  • An optimal goldfish farm has at least 2-3 fish statues in a thin layer of lava all powered by a crab engine. It can produce a stack of 99 goldfish in 17 seconds. Since goldfish sell for 2 silver each, this translates to a profit of 1 platinum coin in about 14 minutes. That's 4 platinum coins in an hour!

General Notes

  • Remember that every piece of connected wire in a wire creation forms a circuit. Take care not to accidentally cross wires and join 2 circuits together when building wire creations.
  • If a long length of wire is used to connect a triggering device to an activated object, there will be a slight delay between when you activate the triggering device and when the activated object actually does what it's supposed to do. This has been observed between two separate dart traps on the same circuit.
  • The wire mechanics are extremely limiting as there's no on/off state, no one way only signal transfer and no logic gates whatsoever (wiring two switches/levers to one toggle output will appear to work as an XOR gate, although in reality there is no on/off, every flip of a switch/lever toggles the output). This makes it impossible to construct any complex contraptions.

Gallery

  • Heart statue with 3 separate circuits.
  • Each circuit has a separate 10 second timer.
  • Which means 3 hearts per 10 seconds instead of 1. Very helpful.
  • This works with the other spawning statues as well.
  • A simple bird engine wired to a chest duplicator

External Links

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