This is a low cost digital compass with UART and IIC interface, it's easy to use with external controler like Arduino,IFLAT32.

digital compass module


  • Small size
  • Uart or IIC doulbe output/control interface
  • 3-5V Voltage comaptible

Serial Communication Protocol

Baud rate: 9600 bps Parity: N data bits: 8 Stop bit: 1


  • 0x31: the first angle measurement
  • 0xC0: calibration of the magnetic field start
  • 0xC1: the end of the calibration magnetic field
  • 0xA0-0XAA-0XA5-0XC5: Restore default setting
  • 0xA0-0XAA-0XA5-IIC_ADDR: IIC address of the module change
  • 0x03 + 8bit:  Setting the magnetic declination high 8 bit
  • 0x04 + 8bit:  Setting the magnetic declination low8 bit


Please visit Itead's wiki page for more info about this product.


SKU IT-IM120712009
Brand Itead

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