Gravity: Science Data Acquisition Module Kit for Experiments Education

The Science Experiments Data Acquisition Module Kit is a versatile toolkit for conducting rapid digital scientific exploration experiments. Whether you are a STEM educator or a curious student interested in scientific exploration, you can utilize this toolkit to delve into various aspects of the surrounding environment, such as plant growth conditions and temperature and humidity data in smart homes.

Key Features

• No programming required
• No need for scientific data conversion
• No prerequisite knowledge of hardware electronics
• Plug-and-play functionality for easy data reading and analysis

Figure: Science Experiments Data Acquisition Module Kit Overview

What is the Gravity: Science Data Acquisition (SCI DAQ) Module?

The Gravity: Science Data Acquisition (SCI DAQ) Module is a powerful and highly integrated data acquisition module that incorporates features such as screen display, automatic sensor recognition, sensor calibration, data logging, RTC clock, and data conversion to make data acquisition more convenient and efficient. In addition, the SCI DAQ module has versatile power options and can output physical quantity data collected by sensors through an I2C interface, compatible with micro:bit, Arduino, Raspberry Pi, UNIHIKER, etc.

Figure: Gravity: Science Data Acquisition (SCI DAQ) Module

Science Experiments

The course "Science Experiments with SCI DAQ Module Kit" aims to teach how to conduct scientific experiments using SCI modules without the need for coding. The course covers a wide range of scientific topics, including physical science, biological science, and environmental science.

Experimentation Process

Background Introduction -> Hardware Tools Presentation -> Experimental Operations -> Data Recording -> Conclusion

Through the process of conducting experiments, you will learn how to utilize SCI modules and sensors to measure various environmental properties, such as conductivity, soil moisture, temperature, humidity, and air quality. Additionally, you will learn how to analyze the data collected by the sensors and draw conclusions based on the data.

Course link: Science Experiments with SCI DAQ Module Kit - DFRobot Education- online resources for STEM and maker education

Figure: Kit Tutorials

Gravity: Science Data Acquisition (SCI DAQ) Module

• Operating Voltage: 3.3-5.5V DC
• Operating Current: 40mA
• Output Signal: I2C (0x21-0x23)
• Input Interface: 1 x Digital/Analog, 2 x I2C/UART
• Onboard Storage: 16M
• RTC Battery: CR1220
• Screen Info: 1.3 inches OLED
• Product Dimension: 62×52×13mm/2.44×2.05×0.51"

Gravity: Analog Soil Moisture Sensor for Arduino

• Power supply: 3.3v or 5v
• Output voltage signal: 0~4.2v
• Current: 35mA
• Pin definition:
           Analog output(Blue wire)
  GND(Black wire)
  Power(Red wire)
• Size: 60x20x5mm(2.36x0.79x0.2")
• Surface finish:Immersion Gold

Gravity: I2C VEML7700 Ambient Light Sensor (0~120Klx)

• Supply Voltage: 3.3-5V
• Working Current: 45uA
• Shutdown Mode: 0.5uA
• Measuring Range: 0-120klx
• Accuracy: 0.0036 lx / ct
• Working Temperature: -25 ℃ ~ +85 ℃
• Dimension: 30 × 22 (mm) /1.81 x0.866 (inches)
• Weight: 12g

Gravity: SHT31-F Digital Temperature and Humidity Sensor

• Operating Voltage: 3.3~5.5V
• Operating Current: ＜1.5mA
• Humidity Detection Range: 0%RH~100%RH
• Humidity Accuracy: ±2%RH@10%RH~90%RH（at 25℃）
• Temperature Detection Range: -40℃~125℃
• Temperature Accuracy: ±0.2℃@0℃~90℃ (Typical)
• Communication: I2C
• Outline Dimension: 32x22mm/1.26x0.87”
• Mounting Hole Size: 3mm/0.12”
• Mounting Hole Pitch: 15mm/0.59”

Gravity: ENS160 Air Quality Sensor

• Power Supply Voltage: 3.3 V~5.5 V
• Working Current: 29 mA
• Interface Mode: I2C
• I2C Address: 0x52, 0x53
• Operating Temperature Range: -40℃~85℃
• Working Humidity Range: 5 %RH~95 %RH
• eCO2 Measurement Range: 400 ppm~65000ppm
• TVOC Measuring Range: 0ppb~65000ppb
• Product Size: 30x22 mm/1.18x0.87 inch

3×AA Battery Holder(PH2.0-2P)

• 3xAA Batteries
• Connect batteries in series
• PH2.0-2P interface
• Length of Wire: 15cm/5.91”

Type-C & Micro 2-in-1 USB Cable

• Type: Type-C&Micro
• Wire length: 1m
• Operating Voltage: 5V
• Peak Current: 2A
• Data transmission: support

Gravity-4P I2C/UART Sensor Cable

• Withstand Voltage: 50V
• Withstand Current: 1000mA
• Length: 30cm
• I2C/UART Pin Order: Red --- VCC
• Black --- GND
• Blue --- SCL/RX
• Green --- SDA/TX

• Tutorials

• Gravity: Science Data Acquisition (SCI DAQ) Module x1
• Gravity: Analog Soil Moisture Sensor for Arduino x1
• Gravity: I2C VEML7700 Ambient Light Sensor (0~120Klx) x1
• Gravity: SHT31-F Digital Temperature and Humidity Sensor x1
• Gravity: ENS160 Air Quality Sensor x1
• 3×AA Battery Holder(PH2.0-2P) x1
• Type-C&Micro 2-in-1 USB Cable x1
• RTC Battery CR1220 x1
• Double-headed PH2.0-4P Cable 20cm x4
• Double-headed PH2.0-3P Cable 20cm x2
• Gravity-4P I2C/UART Sensor Cable x1
• Packing Box x1