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Gravity: High Accuracy Temperature, Humidity, Pressure, Ambient Light and UV Sensor - I2C/UART

DFRobot

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SKU:
147-SEN0501
MPN:
SEN0501
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Technical Specifications

Brand:
DFRobot
Working Voltage:
3.3~5V DC
Working Current:
about 4mA
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

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

Description

 
This multifunctional environmental sensor integrates the SHTC3 temperature & humidity sensor, BMP280 barometric pressure sensor, VEML7700 ambient light sensor, and LTR390 UV sensor (V1.0: ML8511, V2.0: LTR390-UV-01) into one, offering five environmental parameters. Professional sensor chips are chosen for precise measurements, with careful consideration given to the circuit design for optimal heat conduction and layout, ensuring data accuracy.

An onboard MCU processing chip converts raw sensor data into standard unit values, including ℃ and °F for temperature, % for humidity, Kpa for barometric pressure, lx for light illuminance, and mw/cm² for UV light.

This environmental sensor supports UART and I2C communication methods, available in two versions: Gravity and Fermion (breakout). Complete Arduino and Python libraries are provided for easy integration.

Exquisitely designed and compact, it simplifies the wiring and coding in your projects, making it suitable for indoor and outdoor environmental monitoring systems. The V2.0 update replaces the UV sensor model from ML8511 to LTR390-UV-01, enhancing the sensor's capabilities.

Gravity: Multifunctional Environmental Sensor

Feature
  • Temperature & Humidity Sensor: SHTC3
  • Barometric Pressure Sensor: BMP280
  • Ambient Light Sensor: VEML7700
  • UV Sensor: LTR390-UV-01 (V2.0)
  • Communication Methods: UART, I2C
  • Versions: Gravity, Fermion (breakout)
  • MCU Processing Chip Onboard
  • Standard Unit Outputs: Deg C, Deg F, %, Kpa, lx, mw/cm2

Barometric Pressure Sensor

  • Sensor Chip Model: BMP280
  • Barometric Pressure Measurement Range: 3000~1100 hPa
  • Relative Accuracy Of barometric Pressure: ±0.12 hPa
  • Absolute barometric Pressure Accuracy: ±1 hPa

Temperature & Humidity Sensor

  • 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℃

UV Sensor

  • Sensor Chip Model: LTR390-UV-01
  • Ultraviolet Sensitive Wavelength: 280-430nm
  • Range of Measured Data: 13 Bit、16 Bit 、17 Bit、18 Bit、19 Bit、20 Bit
  • Measurement Rate: 25ms、50ms、100ms、200ms、500ms、1000ms
  • Adjustable Gain Multiple: 1、3、6、9、18

Ambient Light Sensor

  • Sensor Chip Model: VEML7700
  • Ambient Light Accuracy: 0.0036 lx/ct
  • Ambient Light Range: 0~120 klx
Resource
Package List
  • Gravity: High Accuracy Temperature, Humidity, Pressure, Ambient Light and UV Sensor - I2C/UART x1
  • Gravity 4P Connector x1

FAQs:

Q: What types of sensors are integrated into the Gravity Multifunctional Environmental Sensor?

A: The Gravity Multifunctional Environmental Sensor includes an SHTC3 temperature and humidity sensor, a BMP280 barometric pressure sensor, a VEML7700 ambient light sensor, and either an ML8511 (V1.0) or LTR390-UV-01 (V2.0) UV sensor.

Q: What communication interfaces does the Gravity Multifunctional Environmental Sensor support?

A: The sensor supports both UART (serial) and I2C communication interfaces.

Q: Does the Gravity Multifunctional Environmental Sensor require any additional components or software to function?

A: The sensor has an onboard MCU that converts raw sensor data into standard units. It also comes with Arduino and Python libraries for easy integration into projects.

Q: What is the difference between V1.0 and V2.0 of the Gravity Multifunctional Environmental Sensor?

A: The primary difference is the UV sensor used. V1.0 uses the ML8511, while V2.0 uses the LTR390-UV-01.

Q: What applications can the Gravity Multifunctional Environmental Sensor be used for?

A: The sensor is suitable for various environmental monitoring applications, such as indoor and outdoor weather stations, smart home systems, agricultural monitoring, and industrial automation.