include <Wire.h> #include <Adafruit_Sensor.h> #include <Adafruit_HMC5883_U.h> #define TCAADDR 0x70 /* Assign
Adafruit_HMC5883_Unified/Adafruit_HMC5883_U.h at master · adafruit/Adafruit_HMC5883_Unified · GitHub
GitHub - pkourany/Adafruit_HMC5883_U: Adafruit HMC5883_U adapted for Spark including Adafruit Sensor library
![Wiring and Test | Adafruit HMC5883L Breakout - Triple-Axis Magnetometer Compass Sensor | Adafruit Learning System Wiring and Test | Adafruit HMC5883L Breakout - Triple-Axis Magnetometer Compass Sensor | Adafruit Learning System](https://cdn-learn.adafruit.com/guides/images/000/000/523/medium800/1746_LRG.jpg)
Wiring and Test | Adafruit HMC5883L Breakout - Triple-Axis Magnetometer Compass Sensor | Adafruit Learning System
![GY-271 (HMC5883L) 3-Axis Digital Compass IC - Arduino Nodemcu Sensor Module อุปกรณ์อิเล็กทรอนิกส์ ราคาถูก ส่งฟรี : Inspired by LnwShop.com GY-271 (HMC5883L) 3-Axis Digital Compass IC - Arduino Nodemcu Sensor Module อุปกรณ์อิเล็กทรอนิกส์ ราคาถูก ส่งฟรี : Inspired by LnwShop.com](https://inwfile.com/s-dx/t5d2gh.png)
GY-271 (HMC5883L) 3-Axis Digital Compass IC - Arduino Nodemcu Sensor Module อุปกรณ์อิเล็กทรอนิกส์ ราคาถูก ส่งฟรี : Inspired by LnwShop.com
![Wiring and Test | Adafruit HMC5883L Breakout - Triple-Axis Magnetometer Compass Sensor | Adafruit Learning System Wiring and Test | Adafruit HMC5883L Breakout - Triple-Axis Magnetometer Compass Sensor | Adafruit Learning System](https://cdn-learn.adafruit.com/assets/assets/000/014/649/medium800/adafruit_products_loaddemo.gif?1448049682)