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20. Sound based 'Dancing' LEDs

Hello everyone!

Today we will be learning how to make Sound reactive 'Dancing' LEDs. This is just for fun, but it can also serve as a sound intensity meter. For this project, we will be needing a Big Sound sensor and 18 LEDs. 
To know more about how this works and the setup, please watch the YouTube video posted at the bottom of this page.


Supplies


  • Arduino Uno/ Arduino Nano
  • Solderless Breadboard
  • LEDs - Any colour (x18)
  • Big Sound sensor
  • Male-to-Male jumper wires - 10 cm (x13)
  • 3 pin Female-to-Male jumper wire - 70 cm (x1) 
  • USB 2.0 Type A/B cable (For Arduino Uno)

Setup


Connections


  • Big Sound sensor - A0
  • (+) of Big Sound sensor - 5V
  • (-) of Big Sound sensor - GND (Ground)

LEDs

The cathode of all LEDs were connected to GND (Ground).
  • Row 01 - D3
  • Row 02 - D4
  • Row 03 - D5
  • Row 04 - D6
  • Row 05 - D7
  • Row 06 - D8
  • Row 07 - D9
  • Row 08 - D10
  • Row 09 - D11

Coding

In the images below, I have mentioned '275' which is the average value of the big sound sensor measurements for background noise. Make sure that you do not copy and paste the codes, because the background noise levels may vary at your place. 



*Note: The codes are incomplete. You can either write out the codes by yourself or request them at arduinoprojectsbyr@gmail.com

Final Look

If anyone has any questions or suggestions about this projects, please comment them below or feel free to send them at arduinoprojectsbyr@gmail.com

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