jianshengfeng

Akron, OH Joined November 16th, 2018
2 Instructables 4,951 Views 0 Comments 0 Followers

Erie Open Systems is the maker of EOS 1 (Erie Open Spec v1.0), an open-source spectrometer for measuring nutrient concentrations in water

jianshengfeng's Instructables

Making an EOS 1 Open-source Spectrometer

Measure Nitrate Concentration in Water With EOS 1