Set sound level to 0 if no data can be read from the microphone.
Merge pull request #31 from Alchiadus/master

Set sound level to 0 if no data can be read from the microphone.
Merge branch 'master' of https://github.com/kokx/tue-2io23.git
Set sound level to 0 if no data can be read from the microphone.
Merge branch 'master' of https://github.com/kokx/tue-2io23
Merge pull request #32 from Alchiadus/master

Set sound level to 0 if no data can be read from the microphone.
Merge branch 'master' of https://github.com/kokx/tue-2io23.git
Disabled keyboard input.