This is an add-on module with a Honeywell HMC5883L Three-Axis Digital Compass with 12-bit ADC that enables 1° to 2° compass heading accuracy.
The HMC5883L uses I2C to communicate with a microcontroller. The module can be plugged into any system that has a UEXT port.
UEXT Connector The UEXT connector provides a solderless way to connect this module to a system with a microcontroller. There are dozens of microcontroller systems and development boards that can connect to this module via UEXT using the supplied cable. Click on the architectures below for lists of compatible boards:
3-Axis Digital Compass UEXT Module Resources