Technology · Item

Electric relay

A signal switches the power: the relay closes its power line while its signal is 128 or more.

In the game

At the grid: 2 power cables of its size with a coil between, a coil spring below: 1 relay (small or large).

Let a sensor, a button or a chip switch lamps, motors and machines; cut a machine when its silo is full.

The bridge between thinking and doing: small signals command big power.

The same text the game shows in its progress tree and on the item's sheet (I).

At the grid: 2 power cables of its size (small or large) with a coil between them, a coil spring under the coil.

Its power input is joined to its output while its signal is 128 or more; it draws 2 W. For a graded output, use a Transistor.

Item detector on a silo → NOT → relay → machine: a machine that stops when the silo is full.

Right-click a block to place it, facing you. Broken, it comes back whole.

One of the items of the step Sensors and buttons.