Introduktion
There are lots of DIY for building spectrometers.
Web-cam based
DIY Light Spectrometer webcam & diffraction grating - Applied science at its best.
Youtube presentation of project specifically developed for quality testing of LEDs and the wavelenghts they emit and how that suits indoor plant growing. This could be one application for Spectrolum, there is a recommended book on The LED Grow Book by Christopher H Sloper available at Bokus.
Link to theremino open source spectrometeter software - search for spectrometer, and you should get to the correct item.
https://www.theremino.com/en/downloads/automation#Theremino_Spectrometer
Andreas Speiss
https://www.youtube.com/watch?v=sttQAL4r4TQ