// The Robot requires an Arduino Mega, L293D motor controller, HMC5883L magnetometer, Ublox 6m GPS, and an HC-06 Bluetooth module // Remember to run the HMC5883L compass calibration test and enter the ...

This library makes getting a compass heading from an HMC5883L Magnetometer very simple, it includes adjustment for your local Magnetic Declination which can be entered directly in degrees minutes and ...

We don’t have much personal experience with DOF hardware, but this Arduino library which reads and compensates for three-axis magnetometer and accelerometer data looks very impressive. It should work ...

Sundials, one of humanity’s oldest ways of telling time, are typically permanent installations. The very good reason for this is that telling time by the sun with any degree of accuracy requires ...