Honeywell's HMC5883L——3-axis digital magnetometer designed for low-field magnetic sensing. it has a full-scale range of ±8 Guass and a resolution of up to 5 milli-Gauss.
you have to make it works with voltage between 2.16 and 3.6VDC.
It's very easy to communicate with this HMC5883L just through an I2C interface.
- Simple I2C interface
- 2.16-3.6VDC supply range
- Low current draw
- 5 milli-gauss resolution
For more information about how to use this breakout please refer to our Wiki Page