LM3914 Audio Level Meter LED Sound Level Indicator Circuit Voice Control Level Light DIY Audio Spectrum Analyzer Kit

DIY Audio Spectrum Analyzer Kit
$1.14
Quantity
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Description
LM3914 Audio Level Meter LED Sound Level Indicator Circuit Voice Control Level Light DIY Audio Spectrum Analyzer Kit
Product Description
Electronic production is an activity that requires a certain electronic foundation and hands-on ability. Because each friend's hands-on ability and technical level are different, we cannot guarantee that all friends will be able to DIY successfully.
Specification
item
value
Kit name
Audio level indicator
Kit model
FED-201
Working voltage
DC3-12V
Working current
static: ≤15mA; dynamic ≤120mA
Power interface
USB to DC3.5
Kit size
main board 12.7*2cm; light board 14.2*2cm
Sensitivity adjustment
potentiometer adjustment
Color selection
default red, green and blue
LED specifications
5mm foggy highlight
Number of LEDs
40
Blinking mode
light up from bottom to top according to the volume of the sound
Details Images