Simple Vu Meter Using Arduino

A volume unit (VU) meter or standard volume indicator (SVI) is a device displaying a representation of the signal level in audio equipment.so in this tutorial lets build a VU meter using Arduino

• Arduino
  
• led
  
• aux cable
• jumper wire
  
• breadboard
  

just add an aux cable to pin a0

connect anodes of less to pin 2-13

connect cathodes together and connect to ground

connect aux cable a0 and ground

arrange in a round shape and solder

download code

if you have any doubt, please let me know.

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