FIX soundcard raspberry PI 1,2,3,zero to get working USB microphone

FIX_soundcard_raspberry_pi_1_2_3_zero_usb_microphone.md

Documentation: http://www.alsa-project.org/main/index.php/Asoundrc#The_default_plugin

1. Just edit this file: /home/xxx/.asoundrc
2. Put this

pcm.!default {
	type hw
	card 0
}

ctl.!default {
	type hw           
	card 0
}