GY-273 DC 3V-5V HMC5883L Triple Axis Compass Magnetometer Sensor Module Three Axis Magnetic Field Module for Arduino: Amazon.com: Industrial & Scientific
DAOKI 3V-5V GY-273 QMC5883L Triple Axis Compass Magnetometer Sensor Module Three Axis Magnetic Field Module Materiale,for Arduino Three Axis Magnetic Field Module: Amazon.com: Industrial & Scientific