Led spectrometer

it's a case for a LED spectrometer. Led are disposed in axial rack commanded by a servomotor. You can adapt LED color or wave length to molecule tested.
Electronic is composed from :
- a raspberry pi with a 5'' display. A nodejs server mounted with johnnyfive module commands an arduinomega for servomoteur, photoresistor and LED.

https://youtu.be/vbd6OZoZow8
https://youtu.be/9vODylmc0zM

Javascript code for nodejs and install instructions are available on https://github.com/astrolabb4twitch/spectrometer

thanks to :
http://www.thingiverse.com/thing:697243
http://www.thingiverse.com/thing:98393
https://www.thingiverse.com/thing:64008
ZhOnd, Alnoa, Syanoks, bloot87, enya_tv, NeiKroz, Rihanna7Fenty, Molapolba