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Power parameters: DC5V (DC power supply).
Driver chip: LM3914, LM358.
Input mode: microphone sound control, 3.5mm audio source cable.
Board size: main board 90*30mm, secondary board 240*30mm.
Finished product weight: 60g.
This kit is a split-type voice-controlled, wire-controlled music level indicator, which is input through microphone induction or earphone socket. The LED light fluctuates to both sides with the middle of the music volume. It is very dynamic, especially when used at night.
Package Included:
1 x 38-Segment Sound Control Music Level Indicator DIY Kit
