This breakout is based on the magnetometer HMC5883L. This compact sensor uses I²C to communicate and is easy to use. Since it’s a 3.3V max chip, added is a circuitry to make it 5V-safe logic and power, for easy use with either 3 or 5V microcontrollers. Simply connect VCC to +3-5V and ground to ground then read data from the I²C clock and data pins.


  • Voltage: 3-5V
  • I2C interface
  • 1-2 degree heading accuracy
  • Integrated 12-bit ADC
  • 160Hz max data rate
  • Range of -8 to +8 Gauss
Product Code: HMC5883L
Availability: 55

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