I have studied geography, I have an old house that has been standing as a farm for over a hundred years on a wide piece of land and I like to work with Arduino & Co. So I build my own magnetometer.

Posted in Arduino Hacks, green hacks Tagged arduino nano, hall effect, hall effect sensor, magnetometer, oled ← Little Hex Tricks Make Little Displays A Little Easier ...

Adafruit have announced the availability of its new Triple-axis Magnetometer offering a sensor capable of sensing ranges from +-50 gauss (+- 5000 uTesla!) with no range-setting required.

flux gate magnetometer 1 Articles Flux Gate Magnetometers Make A Special Current Probe September 21, 2019 by Jenny List 11 Comments ...

Well tech tinkerer Joe Desbonnet has whipped up what he dubs "poor man's NFC" using an Arduino, some magnet wire, and any compass-equipped Android smartphone (which is almost all of them).