Chip: MPU-9250 + BMP280     Built-in 16bit AD converter chip, 16bit data output     Power supply: 3-5v (low dropout internal regulator)     Communication: IIC / SPI standard communication protocol     MPU9250 + BMP280 module (Three-axis gyroscope + triaxial accelerometer + triaxial magnetic field + pressure)          Module Model: GY-91     Use chip: MPU-9250 + BMP280     Power supply: 3-5v (internal low dropout regulator)     Communication: standard IIC / SPI communications protocol     -Chip 16bit AD converter, 16-bit data output     Gyroscopes range: ± 250 500 1000 2000 degree / s     Acceleration range: ± 2 ± 4 ± 8 ± 16g     Field range: ± 4800uT     Pressure range: 300-1100hPa     Using Immersion Gold PCB, machine welding process to ensure quality     2.54mm pitch     Module size 14.3mm x 20.5mm     Colour:Purple     Material:PCB          Package Contents:     3 * BMP280 module          Only the above package content, other products are not included.     Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.