Sensors

A3144 Hall Effect Switch

Senses a magnet. + at the top, − at the bottom, OUT on the right pulls low when a magnet is near.

Family: Sensors
Terminals: + (top), OUT (right), − (bottom)
On the workspace: Click to bring a magnet near

Try it on the 3D workspace Reserve a kit

Press the block to see it work.

Sensors blocks

Sensor blocks react to the world: light, infrared and magnets. Put one on a transistor's base and the circuit responds to what the sensor sees.

Circuits that use this block

Next stepMagnet-activated switchThe Hall effect switch lights the LED when a magnet comes close.

Other blocks in this family