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Record and playback
# arecord -t wav -c 1 -r 44100 -d 5 /tmp/mic.wav
# aplay /tmp/mic.wav
Mini PCIE Test
Test 3G/4G (EWM-C117FL06E)
Connect the PCIE card to Mini PCIE slot.
Execute the pppd to connect the network.
# ppd connect 'chat -v -s -t 10 "" "AT" "" "ATDT*99***4#" "CONNECT" ""'
user username password password /dev/ttyACM2 460800 nodetach crtscts
debug usepeerdns defaultroute &
M.2 test
Test Wifi (EWM-W163M201E - PCIE)
# killall wpa_supplicant
# ifconfig wlan0 up
# wpa_passphrase
# wpa_supplicant -BDwext -iwlan0 -c/tmp/wpa.conf
# udhcpc -b -i wlan0
Ping network
"SSID" "PASSWORD"
> /tmp/wpa.conf
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