Lab-on-an-Arduino Spectral Absorbance Shield aka Optical Density Meter by dusjagr 3d model
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Lab-on-an-Arduino Spectral Absorbance Shield aka Optical Density Meter by dusjagr

Lab-on-an-Arduino Spectral Absorbance Shield aka Optical Density Meter by dusjagr

by Thingiverse
Last crawled date: 3 years, 1 month ago
This Arduino Shield allows to measure the optical density (OD) aka turbidity through a standardized cuvette. 3-Channels for different wavelengths, using 5mm LEDs. The design fits nicely a TIL-99 phototransistor.
see details on: http://hackteria.org/?p=2194

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