GY-65 BMP085 Digital Atmospheric Pressure Module Altitude Sensor ModuleProduct Description:Name: BMP085 module (Atmospheric pressure module). Model: GY-65. AD converter chip built. Use chip: BMP085. Power supply: 3-5V. Communication: IIC communication protocol. Pressure range: 300 - 1100hPa (altitude 9000 m to -500 m). Power supply voltage: 1.8V - 3.6V (VDDA) 1.62V - 3.6V (VDDD). LCC8 package: Lead-free ceramic carrier package (LCC). Low power consumption: 5μA in standard mode. High precision: low-power mode, the resolution is 0.06hPa(0.5 meters); High linearity mode, with a resolution of 0.03hPa (0.25 meters). I2C Interface. Temperature compensation. Lead-free, RoHS compliant, MSL 1 Reaction time: 7.5ms Standby current: 0.1uA No need external circuit Application: GPS precision navigation (dead reckoning, up and down the bridge detection, etc.) ;indoor and outdoor navigation; Leisure, sports and medical health monitoring; Weather Forecast; Vertical speed indicator (rising / sinking speed); Fan power control. BMP085 is a high-precision, ultra-low power pressure sensor can be used in mobile devices. Its performance. Lowest absolute accuracy can be achieved 0.03hPa. And the power consumption is very low, only 3μA. BMP085 using powerful 8-pin leadless ceramic chip carrier (LCC) ultra-thin package. The microprocessor can be connected directly through a variety of I2C bus.