Tag is GY-273 HMC5883L module
GY Series Module GY-273 HMC5883L module electronic compass electronic compass axis magnetic sensor module
Name: HMC5883L module (three-axis magnetic field module)
Model: GY-273
Using chips: HMC5883L
Power supply :3-5v
Communication: IIC communication protocol
Measuring range: ± 1.3-8 gauss
Size: 13.9 * 18.5
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GY-273 HMC5883L module