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Build a DIY magnetometer with a couple of seasoning bottles

(spectrum.ieee.org)
96 points nullbyte808 | 1 comments | 29 Nov 25 12:04 UTC | HN request time: 0s | source
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greggsy ◴[07 Dec 25 20:35 UTC] No.46184900[source]▶
How is this different from the magnetometer accessible in a phone through and app like Phyphox?
replies(3): >>46185023 #>>46185059 #>>46185376 #
1. sllabres ◴[07 Dec 25 20:54 UTC] No.46185059[source]▶
The sensitivity When I play with phypbox [1] there is a sensitivity in the µT range. From the web page [2] the device build has a 0.1 nT resolution and 50 ppm absolute accuracy.

[1] https://phyphox.org/download/

[2] https://alexmumm.de/pgProtonMagnetometer_en.htm