How does this compare to Les' RPI photospectrometer? https://www.hackster.io/news/les-wright-s-diy-raspberry-pi-spectrometer-064422bae529 https://www.hackster.

How does this compare to Les' RPI photospectrometer? https://www.hackster.io/news/les-wright-s-diy-raspberry-pi-spectrometer-064422bae529 https://www.hackster.io/news/les-wright-s-diy-raspberry-pi-s... Does it just have a much larger spectrum?