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 ...

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).

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