The Hall sensors are read by an Arduino Nano, which computes the angles into movement of the pantograph head and records it as G-Code. This can simply be displayed on the attached LCD display, or ...

Posted in Arduino Hacks Tagged gauss meter, hall effect sensor, magnetic field meter ← Hackaday Links: April 4, 2021 Decoding S/PDIF With A Microcontroller Brings A Few Headaches → ...