Multiple wavelength options available


open hardware & software

Our Open Colorimeter Product Guide is the main documentation site containing information & links including:

  • PCB design files and BOM
  • 3D printed enclosure design files
  • CircuitPython firmware guide
  • Getting started guide
  • Custom calibration guides

Product Guide

Open Colorimeter Tutorials

hands on learning

Learn how to use the Open Colorimeter from our example experiments including:

  • Measuring ammonia, nitrate or nitrite with API test kits
  • Turbidity measurements
  • Community-developed lab for measuring active carbon in soil
  • Community-developed lab for measuring proteins
Link to Tutorials

Ask us about the Open Colorimeter