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Reed Switch Selection - Quality Control

I have a piece of hardware which uses reed switches and neodymium magnets. When I attempt to produce this hardware in batches I find that some reed switches that I have are more sensitive than others ...
Jaspal Singh Rathour's user avatar
4 votes
2 answers
200 views

Maintaining constant magnetic field strength with temperature

We use SmCo magnets to create a field strength of around 300mT. We choose this material, rather than NdFeB because the former has a much smaller change in field with temperature. For SmCo it is (...
Dirk Bruere's user avatar
  • 14.3k
0 votes
1 answer
108 views

Is there a way to know which magnet pole is facing the circuit?

I am not that much into magnetism, but I am facing the problem of defining the pole of the closest outer magnet it faces the circuit with. The magnet is completely out of control and might as well ...
Ver Nick's user avatar
  • 103
1 vote
2 answers
298 views

Position from magnetometer?

So basically I'm trying to figure out the distance that a person's hand is from maybe a point on the center of their chest and their bicep. I'm trying to get the position they are moving in as they ...
Nik B's user avatar
  • 11
2 votes
1 answer
80 views

Are magnetic sensors able to pick up the electromagnetic field inside toroids?

From my understanding, correct me if I'm wrong, the electromagnetic field outside a toroid is 0, but it has a EM field within the shell itself. So my question is can a magnetic sensor pick up on this ...
dandev's user avatar
  • 43