Ammonia, nitrate and nitrite Open Colorimeter assays for water quality testing
Testing three water quality tests for the Open Colorimeter. These assays are ammonia, nitrate and nitrite.
Newsletter Archive
New Rodeostat MX design
New Rodeostat MX design & Open Colorimeter updates.
Open Hardware Month & Colorimeter Documentation
October is Open Hardware Month. Update on Open Colorimeter documentation.
Open Colorimeter CircuitPython Firmware
Update on the Open Colorimeter CircuitPython firmware
Open Colorimeter hardware and testing
Open Colorimeter with Beer's Law experiments & measuring food dyes in drinks
Characterizing LEDs and sample absorbance spectra with a USB spectrometer
Characterizing LEDs and sample absorbance spectra with a USB spectrometer
New Rodeostat enclosure
Highlighting a new 3D-printed enclosure and a new 50K dummy cell.