The HMC5883L is a triple-axis magnetometer compass, which uses I2C protocol for communication. This 3-axis compass module consists of an on-board voltage regulator allowing you to power the module with voltages between 3.3V and 6V.
HMC5883L Magnetometer Module Features & Specifications:
Operating Voltage: 3V to 6V DC
I2C interface
1-2 degree heading accuracy
Integrated 12-bit ADC
160Hz max data rate
Range of -8 to +8 Gauss
Needs no external components
Easy to use with Microcontrollers or even with normal Digital/Analog IC
Small, cheap and easily available
Package Contents:
1 — HMC5883L Triple-Axis Magnetometer Compass GY-273 Module
1 — 1×5 pin male header
HMC5883L Pinout Configuration:
Pin Name
Description
VCC
The Vcc pin powers the module, typically with +5V
GND
Power Supply Ground
SCL
Serial Clock Pin. Connect this pin to the SCL pin of Microcontroller.
SDA
Serial Data Pin. Connect this pin to the SDA pin of Microcontroller.
DRDY
Data Ready Pin Output. This pin is used to know that when data is ready to be read
HMC5883L 3-Axis Compass Module Interfacing with Arduino:
Follow the step by step guide to interface the module with Arduino uno board. Visit the link here
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