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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. fudgybiscuits ◴[07 Dec 25 20:50 UTC] No.46185023[source]▶
You learn a lot more making this.