The STELLA-Q is a diy handheld spectrometer created by Paul Mirel. It requires no 3D printing and no soldering to be able to complete.
Build Your Own STELLA-Q
STELLA-Q Button Layout
Display Cycles Between:
• Time of day (UTC)
• Sample Batch Number
Press this button to measure and record one datapoint.
Sample and Average
Takes 20 samples and averages them. Saves a special data file.
Press this button to toggle between record and pause.
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