Hoyoung Lee19.June.2020. - I made some changes in schematic, and drawing, which adds buzzer to interact with user, and termperature-humidity sensor to improve some kind of calibration for spectroscopy. I hope to finalize the design as soon as possible.
Add Buzzer, and extra Temp.-Humidity Sensor
A project log for portable_spectro
new kind of portable spectrometer with efficient LED illumination(SFH4736), and miniatured spectrometer(C12880MA, or AS7260x)
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