AK-186, LM3915 10 LED Audio Spectrum Analyzer DIY Indicator Kit

Price:
US$5.32
AK-186
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The LM3915 10 LED Audio Spectrum Analyzer DIY Indicator Kit is a quick and easy solution for learning about audio signal basics.

Specifications:

Kit Model: AK-186
LM3915 10 points audio level indicator kit (two cable)
Power Supply voltage: DC9V - 12V
PCB Size: 66mm * wide 28mm
Light Bar Dimensions: Length 62.5mm * Width 5mm * Height 10.7mm
 
Audio Input: 0 ~ 1.5Vrms 
Two indication modes: line instructions and fire point instructions (implemented by the MOD circuit point)
 

Circuit Schematic:

Board Assembly:

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