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Grove 3-Axis Digital Compass

Product Code: 101020034
Excl. VAT: £11.10 Incl. VAT: £13.32
You will earn 11 Robo Points for buying this product
This 3-axis digital compass features a low field magnetic sensing multi-chip module HMC5883L, which provides up to 1° to 2° heading accuracy.

HMC5883L consists of high-resolution HMC118X series magneto-resistive sensors, as well as Honeywell developed ASIC containing amplification, automatic degaussing strap drivers, offset cancellation and 12 bit ADC.

With peripheral power management circuit added, this is an easy to use and reliable compass module for low cost compassing and magnetometry.


  • Grove compatible interface
  • 3-Axis Magneto-resistive type sensors
  • I²C serial interface
  • 2.0cm x 2.0cm Grove module
  • 1° to 2° Degree heading accuracy
  • Up to 116 Hz Maximum output rate
  • Built-In self test

Application Ideas:

  • Low cost compassing
  • Magnetometry
  • Pedestrian Navigation
  • Hobby Auto Navigation
  • Compassing support for mobile devices and portable computers (i.e connected via Blue-tooth or UART)


Items Conditions Min Norm Max Unit
VCC - 3.3 5.0 6.0 Volts
Current Draw Sleep Mode - 2.5 - μA
Idle Mode - 240 - μA
Measurement Mode (8Hz averaged) - 640 - μA
Resolution - - 10 - milli-gauss
Linearity ±2.0 gauss input range - 0.1 - ±% FS
Output Rate - - 15 116 HZ
Measurement Period From receiving command to data ready - 8.3 - msec
Operating Temperature Ambient -30 85 °C milli-gauss
Storage Temperature Ambient, unbiased -40 - 125 °C

Please visit the wiki page for more info about this product.

Product Attachments

View FileGetting Started with Grove    Size: (1.57 MB)
View FileIntroduction to Grove    Size: (4.78 MB)

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Grove 3-Axis Digital Compass