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

Elad Levintal, Kenneth Lee Kang, Lars Larson, Eli Winkelman, Lloyd Nackley, Noam Weisbrod, John S. Selker, Chester J. Udell

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Advances in gas sensors and open-source hardware are enabling new options for low-cost and light-weight gas sampling devices that are also robust and easy to use and construct. Although the number of studies investigating these sensors has been increasing in the last few years, they are still scarce with respect to agricultural applications. Here, we present a complete system for high-accuracy measurements of temperature, relative humidity, luminosity, and CO2 concentrations. The sensors suite is integrated on the previously developed HyperRail device (Lopez Alcala et al., 2019) – a reliable, accurate, and affordable linear motion control system. All measurements are logged with a location and time-stamp. The system was assembled from only off-the-shelf or 3D printable products. We deployed the system in an agricultural greenhouse to demonstrate the system capabilities.

Original languageEnglish
Article numbere00193
StatePublished - 1 Apr 2021


  • Agriculture
  • CO sensing
  • Environmental sensing
  • Open source hardware


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