This is the GY-652 Sensor Module with  HMC5983 and  BMP180  Electronic Compass which  enables us to measure Atmospheric Pressure and Magnetic Fields about 3 axes along with Pressure.

Features:

• Model: GY-652
• Used chip: HMC5983 + BMP180
• Power supply :3-5v (internal low dropout regulator)
• Communication modes: standard IIC communication protocol
• Magnetic field range: ± 0.88 to ± 8.1 gauss
• Pressure Range :300-1100hPa
• Chip 12bit AD converter, 16-bit data output
• Machine welding process to ensure quality

Additional Information