DFRobot
Gravity: Multifunctional Environmental Sensor
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$50.69
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This multifunctional environmental sensor comprises SHTC3 temperature & humidity sensor, BMP280 barometric pressure sensor, VEML7700 ambient light sensor, an...
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This multifunctional environmental sensor comprises SHTC3 temperature & humidity sensor, BMP280 barometric pressure sensor, VEML7700 ambient light sensor, and ML8511 UV sensor into one and offers 5 kinds of environmental parameters.
Professional sensor chips are selected for each kind of parameter measurement. The reasonable layout and heat conduction of main chips are carefully considered in the circuit design, which effectively guarantees the accuracy of the data.
The product has an MCU processing chip onboard that converts the sensor raw data into values with the standard unit so you can directly use them. For instance, °C and °F for temperature, % for humidity, Kpa for barometric pressure, lx for light illuminance, and mw/m² for UV light.
The environmental sensor supports two communication methods(UART and I2C) and provides two versions: Gravity and Fermion(breakout), also complete Arduino and Python libraries are provided.
Exquisite and small, you can use it to make indoor and outdoor environmental monitoring systems, or for your environmental monitoring topics. This DFRobot environmental sensor can greatly simplify the wiring and codes of your project.
Connection for UART and I2C
Features
Gravity interface, no need to solder, plug and play
Switchable I2C and UART, two output modes
Highly integrated module, can test a variety of data at the same time (temperature, humidity, barometric pressure, altitude, ultraviolet intensity, ambient light intensity)
Reasonable layout and high precision
Applications
Home indoor and outdoor environment detection system
Environmental monitoring work
Specification
Working Voltage: 3.3~5V DC
Working Current: 45mA
Output Signal: I2C, UART
Working Temperature: -20~70°C
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
Barometric Pressure Sensor
Barometric Pressure Unit Relationship: 1000pa = 10hpa = 1kpa
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°C
Temperature Resolution: 0.01°C
Temperature Measurement Range: -40~125°C
UV Sensor
Sensor Chip Model: ML8511
Ultraviolet Sensitive Wavelength UV-A (320-400nm), UV-B (280-320nm)
Ultraviolet Output Unit: mW/m²
Ambient Light Sensor
Sensor Chip Model: VEML7700
Ambient Light Accuracy: 0.0036 lx/ct
Ambient Light Range: 0~120 klx
Documents
Shipping List
Gravity: Multifunctional Environmental Sensor x1
Gravity 4P Connector x1
Jargon buster
Plain-language definitions for the technical terms used above.
- Ambient light sensor
- A sensor that measures the general brightness of light falling on it, similar to how a device can adjust screen brightness automatically. It matters when you want a project to react to room lighting, daylight, shadows, or covered/uncovered conditions.
- breakout
- A breakout is a small circuit board that makes a tiny or hard-to-solder component easier to connect to with standard pins. It matters because this OLED module can be wired into a microcontroller project without needing to solder directly to the display’s fine contacts.
- Gravity
- Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- UART
- UART is a simple serial connection that sends data over separate transmit and receive wires, often labelled TX and RX. It matters because this module is designed to replace a wired UART cable with a wireless link while keeping the same serial data format.
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Supplier page — dfrobot.com
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