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eGreenhouse: Robotically positioned, low-cost, open-source CO2 analyzer and sensor device for greenhouse

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A new, affordable gas sampling system using open-source hardware was developed for agricultural applications. This robust device accurately measures environmental conditions like CO2, temperature, and humidity in greenhouses.

Keywords:
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Area of Science:

  • Agricultural Engineering
  • Environmental Monitoring
  • Sensor Technology

Background:

  • Growing interest in low-cost, robust gas sensors and open-source hardware.
  • Limited application of these technologies in agricultural settings.
  • Need for accurate, portable environmental monitoring systems in agriculture.

Purpose of the Study:

  • To develop and demonstrate a complete, high-accuracy environmental monitoring system for agricultural applications.
  • To integrate a suite of sensors (temperature, relative humidity, luminosity, CO2) with an existing linear motion control system.
  • To utilize off-the-shelf and 3D-printable components for affordability and ease of construction.

Main Methods:

  • Integration of temperature, relative humidity, luminosity, and CO2 sensors onto the HyperRail device.
  • Utilizing off-the-shelf and 3D-printable components for system assembly.
  • Deployment in an agricultural greenhouse to test system capabilities and data logging with location and time-stamps.

Main Results:

  • Successful assembly and deployment of a low-cost, light-weight, and robust environmental monitoring system.
  • High-accuracy measurements of key environmental parameters achieved within an agricultural greenhouse.
  • Demonstrated the system's capability for location- and time-stamped data logging.

Conclusions:

  • The developed system offers a viable, cost-effective solution for environmental monitoring in agriculture.
  • Open-source hardware and readily available components can enable advanced sensor applications in farming.
  • Further research can explore expanded applications and sensor integration for precision agriculture.