2 # Simple sleep monitor (Harvie 2012)
4 # You probably have soundcard with one output and input
5 # Take PIR motion sensor from security system
6 # Use PIR to switch connection between left channels of output and input (tips of 3.5mm jacks)
7 # Connect grounds of these two together (maybe you will not need it - depending on your soundcard)
10 # Use alsamixer and some GUI recorder (like audacity) to tune volume to some usable level
11 # Place PIR facing to your bed and go sleep
15 out
=/tmp
/sleepmon-
"$(date +%F_%r)".wav
16 speaker-test
-t sine
&>/dev
/null
&
17 time arecord
-r 4000 "$out"
19 echo "Your file: $out"
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