warren (492 spectra and 50 sets) | RSS | Public Lab profile »



Signed up: almost 9 years ago
Tags added: 3088

Stepped slit comparison

warren | 2 spectra | 0

Comparing narrow and wide zones in a spectrometer with a stepped slit, as in http://publiclab.org/notes/mathew/09-25-2013/photo-printed-collimation-slit-for-the-backpack-spectrometer -- Full an...


Sparkfun Multicolor LED kit

warren | 9 spectra | 0

Tested on a smartphone spectrometer prototype at LEAFFEST