The compass module may be hard to find, ... Probably a good idea to also swap out the Arduino for an MSP430 (or even just a smaller, stand-alone AVR) for even lower power usage. Report comment.

The Honeywell HMC6343 is a fully integrated compass module that includes firmware for heading computation and calibration for magnetic distortions.The module combines three-axis magneto-resistive ...

The device uses an Arduino, a GPS module, a compass, and a servo motor. Being a wedding gift, it also needs to meet certain aesthetic sensibilities.

Additional points can be added to the compass rose requiring two steps: Adjust cardinalPoint[] accordingly by adding the additional abbreviations; Change byte cardinalPointLength to the number of ...

Watch the video below to learn more about this awesome DIY Arduino watch that uses a GY-87 sensor board, that offers three sensors in the form of HMC5883L for the compass, BMP085 for the pressure ...