crontab -e

30,31,32 16 * * * /home/pi/pilight/FSD7_ON
15,16,17 22 * * * /home/pi/pilight/FSD7_OFF
<code/>

FSD7_ON
<code>for i in {0..20}
do
   echo "switch on"
   /usr/local/bin/pilight-send -p heitech -s 27 -u 4 -t
   sleep 1
done

FSD7_OFF

for i in {0..20}
do
   /usr/local/bin/pilight-send -p heitech -s 27 -u 4 -f
   sleep 1
done