Gravity: High Accuracy Temperature, Humidity, Pressure, Ambient Light and UV Sensor

SKU: SEN0501

The Gravity multifunctional environmental sensor is a compact device that integrates five sensors to provide accurate indoor and outdoor monitoring. It supports UART and I2C interfaces, converting raw data into standard units, making it ideal for simplifying project wiring and coding with Arduino and Python libraries. Available in Gravity and Fermion versions, this sensor measures temperature, humidity, pressure, light, and UV, providing comprehensive environmental data to enhance various monitoring applications.

Front of a small electronic board with SHTC3, BMP280, and environmental sensors.-DFRobot product sku:SEN0501 image.

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  • Specification

    Register Table

    V1.0 Specification

    Parameter Details
    Working voltage 3.3~5V DC
    Working current 45mA
    Output signal I2C, UART
    Working temperature -20~70℃
    Product size 32mm×32mm / 1.26×1.26 inch
    Mounting hole size M3 (diameter 3mm / 0.12 inch), the distance between the centers of the mounting holes is 25mm / 0.98 inch
    Dimension (V1.0)

    Dimension

    Atmospheric pressure sensor

    Atmospheric pressure unit relationship: 1000pa = 10hpa = 1kpa

    Parameter Details
    Sensor chip model BMP280
    Atmospheric pressure measurement range 300~1100 hPa
    Relative accuracy of atmospheric pressure ±0.12 hPa
    Absolute atmospheric pressure accuracy ±1 hPa
    Temperature & Humidity Sensor
    Parameter Details
    Sensor chip model SHT-C3
    Relative humidity accuracy ±2%RH
    Relative humidity resolution 0.01%RH
    Relative humidity measurement range 0~100
    Temperature accuracy ±0.2℃
    Temperature resolution 0.01℃
    Temperature measurement range -40~125℃
    Ultraviolet Sensor
    Parameter Details
    Sensor chip model ML8511
    Ultraviolet sensitive wavelength UV-A (320-400nm), UV-B (280-320nm)
    Ultraviolet output unit mW/c㎡
    Ambient light sensor
    Parameter Details
    Sensor chip model VEML7700
    Ambient light accuracy 0.0036 lx/ct
    Ambient light range 0~120 klx

    V2.0 Specification

    Parameter Details
    Working voltage 3.3-5V DC
    Working current about 4mA
    Output signal I2C, UART
    Working temperature -20 to 70℃
    Product size 32mm×32mm / 1.26×1.26 inch
    Mounting hole size M3 (diameter 3mm / 0.12 inch), the distance between the centers of the mounting holes is 25mm / 0.98 inch
    Dimension (V2.0)

    Dimension V2

    Atmospheric pressure sensor

    Atmospheric pressure unit relationship: 1000pa = 10hpa = 1kpa

    Parameter Details
    Sensor chip model BMP280
    Atmospheric pressure measurement range 3000~1100 hPa
    Relative accuracy of atmospheric pressure ±0.12 hPa
    Absolute atmospheric pressure accuracy ±1 hPa
    Temperature & Humidity Sensor
    Parameter Details
    Sensor chip model SHT-C3
    Relative humidity accuracy ±2%RH
    Relative humidity resolution 0.01%RH
    Relative humidity measurement range 0-100
    Temperature accuracy ±0.2℃
    Temperature resolution 0.01℃
    Temperature measurement range -40-125℃
    Ultraviolet Sensor
    Parameter Details
    Sensor chip model LTR390-UV-01
    Ultraviolet sensitive wavelength 280-430nm
    Measurement data Range 13 Bit, 16 Bit, 17 Bit, 18 Bit, 19 Bit, 20 Bit
    Measurement rate 25ms, 50ms, 100ms, 200ms, 500ms, 1000ms
    Adjustable gain X1, X3, X6, X9, X18
    Ambient light sensor
    Parameter Details
    Sensor chip model VEML7700
    Ambient light accuracy 0.0036 lx/ct
    Ambient light range 0-120 klx

    Pinout

    V1.0 Pinout

    Board Overview

    Num Label Description
    1 D/T I2C data line SDA/UART data transmission-TX
    2 C/R I2C clock line SCL/UART data receiving-RX
    3 - GND
    4 + Power +

    V2.0 Pinout

    Num Label Description
    1 D/T I2C data line SDA/UART data transmission-TX
    2 C/R I2C clock line SCL/UART data receiving-RX
    3 - GND
    4 + Power +

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