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CJMCU-680 BMP280 SI7021 Atmospheric Pressure Sensor BME680 Temperature Humidity
CJMCU-680 BME680Description:
Brand: CJMCU
Ultra-small Pressure Height Development Board Package included:1 x CJMCU-680 BME680 BOSCH Temperature And Humidity Pressure Sensor
BMP280 SI7021Description:
The GY-21P Atmospheric Sensor Breakout is the easy way to measure barometric pressure, humidity, and temperature readings all without taking up too much space. Basically, anything you need to know about atmospheric conditions you can find out from this tiny breakout. The GY-21P Breakout has been design to be used in indoor/outdoor navigation, weather forecasting, home automation, and even personal health and wellness monitoring.
The on-board BMP280 SI7021 sensor measures atmospheric pressure from 30kPa to 110kPa as well as relative humidity and temperature.
BMP280
Druckbereich: 300-1100 hPa (9000 Meter ĂĽber dem Meeresspiegel auf -500m)
Relative Genauigkeit (bei 950 - 1050 hPa bei 25°C): ±0.12 hPa, equiv. zu ±1 m
Absolute Genauigkeit (bei (950 - 1050 hPa, 0 - 40 °C): ±0.12 hPa, equiv. zu ±1 m
Netzspannung: 1,8 V - 3,6 V
Stromverbrauch: 2,7µA bei 1Hz Ausleserate
Temperaturbereich: -40 bis 85°C
SI7021
HVAC/R
Thermostats/humidistats
Respiratory therapy
White goods
Indoor weather stations
Micro-environments/data centers
Automotive climate control and defogging
Asset and goods tracking
Mobile phones and tablets
Size: 1.3*1cm/0.51*0.39"
Features:
Operation Voltage: 3.3V
I2C & SPI Communications Interface
Temp Range: -40C to 85C
Humidity Range: 0 - 100% RH, =-3% from 20-80%
Pressure Range: 30,000Pa to 110,000Pa, relative accuracy of 12Pa, absolute accuracy of 100Pa
Altitude Range: 0 to 30,000 ft (9.2 km), relative accuracy of 3.3 ft (1 m) at sea level, 6.6 (2 m) at 30,000 ft.
Incredibly SmallPackage Included:
1 GY-21P I2C & SPI Humidity Temperature Atmospheric Sensor Breakout BMP280 SI7021Payment
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