This is a 3 axis magnetic field app to read the Earth’s magnetic field on my phone.
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Earth’s magnetic field
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Category Archives: Magnetic sensors
Tesla meter
The Tesla meter reads magnetic field strength. Here the highest reading on the edge of a large NIB magnet is 0.746 Tesla.
“Continue reading” for readings of a wide variety of magnetic sources.
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Measuring magnetic field strength
Measuring magnetic field strength by direct force measurements
Here is my attempt at measuring magnetic field strength. To measure the field generated by the electromagnet above I made a coil that could be placed in the magnetic field.
“Continue reading” for measurements and results. 3 photos and links. Continue reading
Magnetic field meter (Gaussmeter)
This is a magnetic field meter or Gaussmeter which uses a UGN3503 Hall effect device to drive a meter. It shows the magnetic field sensor reading the strength (in Tesla’s) of a small horseshoe magnet. The meter is not yet calibrated so the reading is not correct.
“Continue reading” for circuit diagrams and specifications. 2 photos and links…
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