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STS-105A: LM3915 AUDIO LEVEL INDICATOR DIY KIT
Power Supply voltage:
9-12V (DC voltage)
PCB Full Assembly
(Board size: 27*58mm)
Component List
R1, R5 & R8=1k
Ω
, R2=100
Ω
,
R3=10k
Ω
, R4=50k
Ω
Variable Resistor,
R6=560
Ω
, R7=10
Ω
, R9=20k
Ω
, C1 &
C2=104 Ceramic Capacitor, U1=IC
LM3915, D9 & D10= Red LED, D1-
D8=Yellow LED, J2=XH2.54-2P
Connector, J1 & J3=Male Header 2 Pin,
IC Socket 18 Pin & PCB Board.
Total Item = 26
Schematic Diagram
