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The STELLA-Q2 is a diy handheld spectrometer. It requires no 3D printing and no soldering to be able to complete.
Changes from original Q: The Q2’s largest change would be the spectral sensor now with 18 bands from 410nm to 940nm instead of the original STELLA-Q’s 12 bands. It features one button for turning recording on and off. When held down, the button turns LED’s attached to the sensor chip on and off. Those LED’s correspond to the wavelengths measured by the sensors. A small robust display screen rounds out the changes to STELLA-Q2.
Build Your Own STELLA-Q2
* Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
