Description:1. BMP280 Pressure Sensor(Purple) This precision sensor from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuracy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with ±1 meter accuracy
Typical application:
Enhancement of GPS navigation
e.g.time-to-first-fix improvement,dead-reckoning,slope detection
Indoor navigation(floor detection,elevator detection)
Outdoor navigation,leisure and sports applications
Weather forecast
Health care application(e.g. sirometry)
Vertical velocity indication(e.g. risk/sink speed)
Target devices
Handsets such as mobile phones ,table PCs,GPS devices
Navigation systems
Portable health caredevices
Home weather stations
Flying toys
Watches
PCB size:(L*W)1.52* 1.20cm/0.60"*0.47"
Pcakge Included:1PC*BMP280 Pressure Sensor Replace BMP180
2. MPU9250 BMP280 GY-91 SensorChip: MPU-9250 + BMP280Power supply: 3-5v (internal low dropout regulator)Communication: standard IIC / SPI communications protocolChip built 16bit AD converter, 16-bit data outputGyroscopes range: ± 250 500 1000 2000 ° / sAcceleration range: ± 2 ± 4 ± 8 ± 16gMagnetic field range: ± 4800uT Pressure range: 300-1100hPa Using Immersion Gold PCB, machine welding process to ensure quality 2.54mm pin pitch Module size:(L*W)2.05* 1.43cm/0.81"*0.56"Package Included:1PC*MPU9250 BMP280 Sensor3. BMP280 Pressure Sensor(Blue)100% Brand New and High Quality!High precision, ultra-low power consumption pressure sensors, can be applied to mobile devices.Low energy consumption.Eliminates the need for an external clock circuit.Technical specification:Model: BMP280 Digital Barometric Board ModulePressure ranges: 300-1100 hPa (equivalent to + 9000 ...- 500 m above / below sea level)Relative accuracy: ± 12 hPa (equivalent to ± 1 m 950 ~ 1050hPa @ 25 ° C)Absolute precision type: ± 1 hPa (950 ... 1050 hPa, 0 ~+ 40 ° C)Offset temperature coefficient: 1.5 Pa / K, equiv. At 12.6 cm / K (25 ~ 40 ° C at 900 hPa)Temperature range: -40- + 85 ° CColor: see the picturesOperating voltage: 3.3 VPackage Included:1PC*BMP280 Digital Barometric Board Module(Blue Board)