Not that we’re knocking [upir]’s accomplishment with these tricked-out 16×2 OLED displays ... pull-up resistors to get the I2C display talking to an Arduino, plus a little luck that you ...
Remember the good old PDAs or Personal Digital Assistants that people used for taking notes, keeping schedules, keeping a tab ...
The circuit is extremely simple, comprising the sensor, an Arduino Nano, and an OLED display. This device is handy because its voltage output has a known relationship to the gauss level the sensor ...
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