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Make LED LIGHTS blink to music

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2 copies
604 downloads 1 comment
michael jon barrett

Project by

michael jon barrett

General Information

LED Vu meter
Make LED LIGHTS blink to music
Under 5$ build!
using the an6884 LED driver
v – bit was used to carve the blank PCB
search creative channel for a great tutorial
here is the link

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Material Description Price
Circuit Board Blanks

Circuit Board Blanks

Dimensions: 1 sided FR1 circuit board stock 2 in × 3 in (25 pack)

PCB Milling Bits

PCB Milling Bits

File Description Unit Price


pcb design



circuit schematic


Screen Shot 2017-01-07 at 3.53.02 PM.png

an6884 data


Screen Shot 2017-01-07 at 3.52.32 PM.png

an6884 data


Screen Shot 2017-01-07 at 3.52.49 PM.png

an6884 pinout


Download Zip

from Inventables


carve paths

10 minutes

Secure circuit board blank onto X-Carve.
Use a small v bit to carve the paths.
Set z – axis to .014 inch
set speed to 15 in/min
Takes 9 min to carve paths


drill holes

2 minutes

change out the drill bit for a .03 inch bit.
set cut speed to 30 in/min
carve holes


solder parts

carefully place and solder parts

Roger Shaddick
Could you post a parts list? Thanks
Roger Shaddick