DIY LED Music Spectrum Electronic Kit Crystal Column Audio Display LM339 LM358 SMT LM339 2. Chip integrated LM358 1. Use at night, dynamic. 1 x DIY kit (with or without data cable optional). LED quantity: 10 color. LED 5mm 10. Circuit board size: 146 28mm. Chip Resistor 33K 2. byJuly 3, 2026
