Hello, 5.1 Control board project for sound system Bass, treble, mid, 3D effect, volume control of all channels Remote control LCD Encoder. PCB size 90.3x 100m and single deck design. There are source and library codes.

https://www.youtube-nocookie.com/embed/uG-_xrnBvxs?feature=oembed
28584a.zip

https://www.youtube-nocookie.com/embed/uG-_xrnBvxs?feature=oembed
28584a.zip