A 0.8 x 0.4 inch (21 x 10 mm) breakout board with the
SM125-10E 0 to 4 mT Smart GMR magnetometer sensor. The board has a pre-soldered sensor, a standard 0.1" (2.54 mm) header and a common, 1 mm pitch card-edge connector.
The board can be powered by a 2.2 to 3.6 V supply and provides an easy-to-use I2C interface as well as a magnetic threshold output.