Mechanisms

Mechanisms are items that can be activated or activate other mechanisms that are connected to them with wire.

Items

Item		Description
Template:Linked icon	Wire	Connects mechanisms. Can be placed anywhere as long as another wire of the same color is not already present. Can even be placed in mid-air without support. Currently four different colors: Red, Green, Yellow and Blue. Removed with Wire Cutters.
Triggers
Template:Linked icon	Switch	Triggers activation upon right-clicking. Can be placed anywhere a torch can be placed.
Template:Linked icon	Lever	Triggers activation upon right-clicking. Can be placed on the floor and on background walls
Template:Linked icon	Pressure plate	Triggers activation when touched; different colored plates are activated by different combinations of the player, NPCs and enemies. Can be placed on the floor like furniture, and becomes partially hidden when placed.
Template:Linked icon	Weighted Pressure Plate	Triggers activation by player when stepping on or off it. Being practically the only trigger in Terraria that creates a pulse. Can be placed on the floor like furniture.
Template:Linked icon	Pressure Pad Template:Pc icon	Triggers activation when touched by projectiles or Pets. Can be placed on the floor, ceiling, or side wall but not on platforms.
Template:Linked icon	Pressure Plate Track Template:Pc icon	Triggers activation when a Minecart rides over it.
Template:Linked icon	Timers	Once activated, they will keep sending activation signals through the wire they are connected to.
Template:Linked icon	Detonator	Triggers activation when touched or right clicked, similar to pressure plates. Found in explosive traps underground.
	Gem Lock Template:Pc icon	Once the Large Gem of the Gem Lock has been placed inside, the Gem Lock will trigger activation.
Template:Linked icon	Trapped Chest Template:Pc icon	When it is opened, it triggers activation.
Devices
Template:Linked icon	Light sources	Once activated, they will switch between their 'lit' and 'unlit' states.
Template:Linked icon	Doors	Once activated, they will switch between their 'open' and 'closed' states.
Template:Linked icon	Pumps	Liquid will be pumped from inlet to outlet once per activation.
Template:Linked icon	Toggle-able Blocks	Once activated, they will switch between their 'active' and 'inactive' versions. The inactive version will let things pass through them like furniture.
Template:Linked icon	Actuators	Like Toggle-able Blocks, but works with almost any block it's placed on.
Template:Linked icon	Dart Traps	Will shoot poisoned darts once per activation, with a cooldown of three seconds.
Template:Linked icon	Super Dart Trap	A stronger version of the Dart Trap.
Template:Linked icon	Spear Trap	On activation, shoots out a spear that deals a lot of damage.
Template:Linked icon	Spiky Ball Trap	Drops several spiky balls when activated.
Template:Linked icon	Flame Trap	Shoots out a jet of flame when activated.
Template:Linked icon	Geyser	Shoots flame for a maximum of about 20 blocks.
Template:Linked icon	Explosives	Once activated, they will detonate instantly.
Template:Linked icon	Cannon	Depending on where the wire is connected, either shoots a cannonball or rotates toward the side the wire is on.
Template:Linked icon	Bunny Cannon	Depending on where the wire is connected, either shoots an exploding bunny or rotates toward the side the wire is on.
Template:Linked icon	Music Boxes	Once activated, they will play recorded soundtracks.
Template:Linked icon	Statues (some)	There are 16 statues that function as mechanisms. The other 67 statues are not. Statue mechanisms can spawn a variety of items, creatures, or teleport NPCs.
Template:Linked icon	Chimney	The chimney has three states it rotates through: Off and On, and a third state that adds smoke particles.
Template:Linked icon	Teleporter	When activated, teleports the player and/or any NPCs currently standing/walking over it to another Teleporter connected by wire.
Template:Linked icon	Boulder
	Gemspark Block	Will toggle "lit" and "unlit" states when activated.
Template:Linked icon Template:Linked icon Template:Linked icon Template:Linked icon	Firework Rockets	Activated through Wire or by right-clicking. Creates pretty fireworks and damages mobs in the explosion. Consumed on use.
Template:Linked icon	Firework Fountain	Activated through Wire or by right-clicking. Creates pretty fireworks.
Template:Linked icon	Fireworks Box	Activated through Wire or by right-clicking. Creates pretty fireworks. Does not damage mobs.
Template:Linked icon	Confetti Cannon	Depending on where the wire is connected, either launches confetti or rotates toward the side the wire is on. Does not damage mobs.
Template:Linked icon	Bubble Machine	Can be toggled on or off. Creates bubbles.
Template:Linked icon	Silly Balloon Machine	Can be toggled on or off. Creates balloons.
Template:Linked icon	Water Fountains	Activated through Wire or by right-clicking. Changes the water color nearby to that of the fountain's biome.
Template:Linked icon Template:Linked icon Template:Linked icon Template:Linked icon	Monoliths	Activated through Wire or by right-clicking. Changes the background to that of the corresponding pillar.
Template:Linked icon	Party Center	Activated through Wire or by right-clicking. Can be toggled off, but will turn itself off at 7:30pm. All party centers in the world are activated/deactivated by triggering one.
Template:Linked icon	Land Mine	Activated when a character or monster walks onto it or when activated by Wire, dealing damage and removing it.
Template:Linked icon	Campfires	Activated through Wire or by right-clicking.
Template:Linked icon	Portal Gun Station Template:Pc icon	Depending on where the wire is connected, either shoots a portal, swaps portal colors, or rotates toward the side the wire is on.
Template:Linked icon	Announcement Box Template:Pc icon	Announces (in the chat) what was written on the sign when powered.
Other
Template:Linked icon	Junction Box Template:Pc icon	Allows wires of the same color to cross without connecting. Can be hammered.
	Logic Gate Template:Pc icon
	Logic Gate Lamp Template:Pc icon

See Also

• Guide:Wiring

History

• 1.3.1: Gem Lock, Trapped Chest, Portal Gun Station, Announcement Box, Junction Box, Logic Gate and Logic Gate Lamp introduced.

• 1.3.0.1: Detonator introduced.

• 1.2.4.1: Fixed the bug where the wiring system was not activating Doors, Music Boxes and Fountains properly.

• 1.2.4: Fireworks now show the wiring layout when selected. Wiring system runs at least three times faster. Longer wire systems get larger gains. Fixed a bug where only one wire attached to a Lever would work when you flipped it.

• 1.2.3: Gemspark blocks were added and can be toggled. Added infinite wiring support across the map.

• 1.2: Actuators, Flame Traps, Super Dart Traps, Spear Traps, and Spiky Ball Traps introduced. Pressure plates now have different triggering conditions based upon their color.

• 1.1: Introduced.

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