PeppyMeter and moOde

[rajivkumar1984]

card 2: Audio [iFi (by AMR) HD USB Audio], device 0: USB Audio [USB Audio]                                                                                                                                

note the BOLD numbers above: for you it should be hw:2,0

2. Also when I typer and run - git clone https://github.com/project-owner/peppyalsa.git, I am getting the below error message 

-bash: git: command not found

You need to install git:

sudo apt install git

Dear @Nutul - I am getting some weird error while running the suggested command - sudo apt install git  
can you please look into the below and suggest as what is actually going wrong. I am a non-technical guy new to python/debian 

rajivkumar1984@moode:~ $ sudo apt install git
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
  git-man liberror-perl
Suggested packages:
  git-daemon-run | git-daemon-sysvinit git-doc git-el git-email git-gui gitk gitweb git-cvs git-mediawiki git-svn
The following NEW packages will be installed:
  git git-man liberror-perl
0 upgraded, 3 newly installed, 0 to remove and 24 not upgraded.
Need to get 7,282 kB of archives.
After this operation, 37.7 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Ign:1 http://deb.debian.org/debian bullseye/main arm64 liberror-perl all 0.17029-1
Ign:2 http://deb.debian.org/debian bullseye/main arm64 git-man all 1:2.30.2-1+deb11u2
Ign:3 http://deb.debian.org/debian bullseye/main arm64 git arm64 1:2.30.2-1+deb11u2
Err:1 http://deb.debian.org/debian bullseye/main arm64 liberror-perl all 0.17029-1
  Could not resolve 'deb.debian.org'
Ign:2 http://deb.debian.org/debian bullseye/main arm64 git-man all 1:2.30.2-1+deb11u2
Err:3 http://deb.debian.org/debian bullseye/main arm64 git arm64 1:2.30.2-1+deb11u2
  Could not resolve 'deb.debian.org'
Ign:2 http://deb.debian.org/debian bullseye/main arm64 git-man all 1:2.30.2-1+deb11u2
Err:2 http://deb.debian.org/debian bullseye/main arm64 git-man all 1:2.30.2-1+deb11u2
  Could not resolve 'deb.debian.org'
E: Failed to fetch http://deb.debian.org/debian/pool/main/l...-1_all.deb  Could not resolve 'deb.debian.org'
E: Failed to fetch http://security.debian.org/debian-securi...u2_all.deb  Could not resolve 'deb.debian.org'
E: Failed to fetch http://security.debian.org/debian-securi..._arm64.deb  Could not resolve 'deb.debian.org'
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
rajivkumar1984@moode:~ $