tools and methods portfolio

General aspects:

• Can be used for several colorimetric methods by choosing the right led/wavelenght
• Derivated from the original IO Rodeo version
• Tested methods:
  • Nitrates in water with Hach NitraVer5
  • Active carbon in soil following Smallholder soil health assessment

To do:

• finish device documentation
• document active carbon test results and procedure. This is already happening thanks to Fabricio Cano thesis
• implement avaliable phosphorous test for soils

Gitlab Repo: https://gitlab.fcen.uncu.edu.ar/regosh/colorimetro-regosh

General aspects:

• Based on DfRobot libraries.
• Co-developed with CoSensores
• Two versions:
  • Mobile (bluetooth and Android App)
  • Lab bench (only one button for calibration)

To do:

• finish device documentation
• document a soil testing protocol in a soil/water mixture
• rewrite phmeter library for more clarity

Gitlab Repo: https://gitlab.fcen.uncu.edu.ar/regosh/phmetro-v2.0

General aspects:

• Developed by Our-Sci LLC
• Uses LED-supplied light sources at ten different wavelengths
• Tested locally for soil carbon prediction

To do:

• improve the soil carbon model running a lot more samples

WebSite: https://www.our-sci.net/reflectometer/

General aspects:

• We are using OpenFlexure microscopes to look at soil microbiology
• In the context of UROS project we helped in the design and translation of a Short guide to soil microcopy
• We were part of OpenFlexureCon 2022
• Is a great tool to “reanimate soils” in their imaginay and affective dimensions!!!

To do:

• we need to work on a protocol for quantification
• we want to make to make an hybrid between the Matchboxscope cam and the OpenFlexure motion

Gitlab Repo: https://gitlab.fcen.uncu.edu.ar/regosh/openflexure

Flickr: 2021 Workshop

General aspects:

• Simple low-cost version (Arduino version)
• Fully documented as a result of Open Hardware Makers mentoring
• Several sensors tested and prototypeof a more more advanced version (FeatherS2/ESP32version) in the context of UROS project

To do:

• assemble and test Our-Sci soil respiration device
• develop protocols for lab and field testing

Gitlab Repo: https://gitlab.com/nanocastro/camara-respiracion-suelo

General aspects:

• Biodinamic method with great potential for introductory workshops on soiland its complexity
• No electronics 🙂
• In the context of UROS project we helped in the writing, design and translation of a Short guide to circular soil chromatography
• Kit and documentation ready and distributed
• Used by other organizations to replicate workshops

To do:

• protocol to digitalize chromas

Website: https://www.hackteria.org/wiki/Circular_Chromatography