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Low-cost digital compass module with UART/IIC interface

$2.00  $27.00
Save: -1,250% off

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

Measuring range

0-360 °

Resolution

0.1 °

Accuracy

1°

Power supply

3V-5V DC

Frequency response

25Hz

Current

5 V--15mA  3V--8 mA

Size

25.6mm×25.6mm

Features:

  • 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

Command:

  • 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

Return Data:

 

  1. Byte0: 0x0D
  2. Byte1: 0x0A
  3. Byte2: 0x30 ~ 0x33 angle of one hundred (ASCII 0 ~ 3)
  4. Byte3: 0x30 ~ 0x39 angle of ten (ASCII 0 ~ 9)
  5. Byte4: 0x30 ~ 0x39 angle a bit (ASCII 0 ~ 9)
  6. Byte5: 0x2E (ASCII code decimal point)
  7. Byte6: 0x30 ~ 0x39 decimal point (ASCII 0 ~ 9)
  8. Byte7: 0x00 ~ 0xFF checksum (only lower 8bit)

 

You can use the Foca or USBtoTLL moudle to connect your PC with this moudle.

 

Datasheet 

 

 


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  • Model: SEN029
  • Shipping Weight: 15g
  • 0 Units in Stock