Kompas Elektronik HMC5883L

Features:

• Brand new and high quality.
• HMC5883L module (three-axis magnetic field module).
• Use the chip: HMC5883L.
• Power supply: 3-5V.
• Communication modes: standard IIC communication protocol.
• Measuring range: ± 1.3-8 Gauss.
• Size: 1.5cm x 1.8cm.

Package Included:

• 1 x HMC5883L Compass Magnetometer Sensor Module

Sumber: http://www.aliexpress.com/item/HMC5883L-3-Axis-Electronic-Compass-Magnetometer-Sensor-Module-3V-5V-For-Arduino-47168/32354584461.html