365buying GY-271 HMC5883L Triple Axis Compass Magnetometer Sensor Module
High quality Immersion Gold pcb, machine welding process, quality assuranceName: HMC5883L modules (three-axis magnetic field module)Model: GY-271Using the chip: HMC5883LPower supply :3-5vMeans of communication: IIC communication protocolMeasuring range:  1.3-8 Gaussian