How Do You Make Simple Magnetic Sensor

how do you make simple magnetic sensor

Simple Magnetic Sensor - All About Circuits Forum

Quote:

Basically I want this circuit. Does it exist? ....................................... I have heard a lot about hall effect sensors but I don't really know what I am doing to get them to work and I feel like there might be a more simple circuit. CH Hanson 03040 Magnetic Stud Finder Learn more

What you have drawn is an electromagnet.

The part connected to the circuit is supposed to be sensor, right?

That would be a normally closed sensor, no magnetic field present --> it's closed, magnetic field present --> it's open.

Look for a magnetic switch on main distributors.

example: http://www.diodes.com/datasheets/AH180N.pdf

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