Aspectra is a system of some Android and Python  applications, utilizing mobile devices and some  additional hardware.

Purpose of these applications is to observe, display and analyze the spectrum of observed light        

Possible applications:

Teaching spectroscopy, Chemical Analyze, Distance Measurement, Control of LED light source color, Astral spectroscopy, . . .       

 Android Apps:

Android phone as spectrograph with internal camera as sensor

App for listing, display, analyze of saved spectra

 Raspberry-Pi Applications

LED Lamps Controller

Controlling Light (temperature, color) of LED Lamps

 Additional hardware + optics:

Add-on for Aspectra Mini