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Sensors

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Desktop versionConsole version Desktop/Console-Only Content: This information applies only to the Desktop and Console versions of Terraria.
Sensors
  • Logic Sensor (Day).png Logic Sensor (Night).png Logic Sensor (Player Above).png

    Liquid Sensor (Water).png Liquid Sensor (Lava).png Liquid Sensor (Honey).png Liquid Sensor (Any).png
    Sensors placed.gif
Auto-use
Stack digit 9.pngStack digit 9.pngStack digit 9.png
Statistics
Type
PlaceableYes (1 wide × 1 high)
Use time15 (Very fast)
Rarity1*Rarity level: 1
Research5 required

A Sensor is a Hardmode mechanism that emits a signal under specific circumstances. There are 7 different types of sensors, split into 2 sub-categories: Logic Sensors, and Liquid Sensors.

Types[edit | edit source]

Sensor Tooltip
Logic Sensor (Day) Logic Sensor (Day)Desktop and Console versions
Internal Item ID: 3613
Activates once day starts
Logic Sensor (Night) Logic Sensor (Night)Desktop and Console versions
Internal Item ID: 3614
Activates once night starts
Logic Sensor (Player Above) Logic Sensor (Player Above)Desktop and Console versions
Internal Item ID: 3615
Activates whenever players are over it, deactivates otherwise
Liquid Sensor (Water) Liquid Sensor (Water)Desktop and Console versions
Internal Item ID: 3726
Activates whenever occupied by water, deactivates otherwise
Liquid Sensor (Lava) Liquid Sensor (Lava)Desktop and Console versions
Internal Item ID: 3727
Activates whenever occupied by lava, deactivates otherwise
Liquid Sensor (Honey) Liquid Sensor (Honey)Desktop and Console versions
Internal Item ID: 3728
Activates whenever occupied by honey, deactivates otherwise
Liquid Sensor (Any) Liquid Sensor (Any)Desktop and Console versions
Internal Item ID: 3729
Activates whenever occupied by liquid, deactivates otherwise

Crafting[edit | edit source]

Recipes[edit | edit source]

ResultIngredientsCrafting station
Liquid Sensor (Any)Liquid Sensor (Any)Desktop and Console versionsMythril AnvilMythril Anvil
or
Orichalcum AnvilOrichalcum Anvil
Liquid Sensor (Honey)Liquid Sensor (Honey)Desktop and Console versions
Liquid Sensor (Lava)Liquid Sensor (Lava)Desktop and Console versions
Liquid Sensor (Water)Liquid Sensor (Water)Desktop and Console versions
Logic Sensor (Day)Logic Sensor (Day)Desktop and Console versions
Logic Sensor (Night)Logic Sensor (Night)Desktop and Console versions
Logic Sensor (Player Above)Logic Sensor (Player Above)Desktop and Console versions
total: 7 row(s)

Notes[edit | edit source]

  • The Player Above sensor detects players in a 5×10 tile area above the sensor. In Multiplayer, it will not send another signal if a player enters the detection zone while another player is already in it.
    • It will also trigger on the position of dead players until they respawn. This fact may be relevant in situations where the player is likely to be killed near the sensor.

History[edit | edit source]