Further information for Allnet ALLOY3249-1 3-axis Compass Module
High quality immersion gold pcb, machine welding process to ensure quality Name: HMC5883L modules (three-axis magnetic field module) Model: GY-271 Using a Chip: HMC5883L Power supply: 3-5v Communication: IIC communication protocol Measuring range: ± 1.3 -8 gauss