It has some LEDs inside something that refracts.
Project showcase by lebo
Choose the colours of the LED strip using Hue/Saturation/Value parameters, flick the switch and watch your music come to life through FFT.
Project tutorial by marcaubin
This stroboscope is a precise and versatile instrument which can be used to analyze periodic or fast motions.
Project tutorial by frenchy22
Any nixie tubes can be used in this design. The design is based on universal nixie tube sockets.
by Marcin Saj
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