diff --git a/doc/ArtNet.txt b/doc/ArtNet.txt
new file mode 100644
index 0000000..3ffb281
--- /dev/null
+++ b/doc/ArtNet.txt
@@ -0,0 +1,20 @@
+perl did not work
+  556  wget https://github.com/OpenLightingProject/libartnet/releases/download/1.1.2/libartnet-1.1.2.tar.gz
+  557  wget https://github.com/OpenLightingProject/artnet-examples/releases/download/0.3.13/artnet-examples-0.3.13.tar.gz
+does not work with arduino (need reply on dmx node inquiry)
+
+git clone https://github.com/philchristensen/python-artnet.git
+cd python-artnet/
+sudo python setup.py install
+artnet script all_channels_full
+ImportError: No module named cement.core
+sudo easy_install setuptools_git
+sudo easy_install bitstring
+sudo easy_install cement
+artnet script all_channels_full
+# all lights are on, wow
+artnet script all_channels_blackout
+# all lights are off
+sudo easy_install pip
+sudo pip install pyyaml
+
diff --git a/scripts/dhcp2presency.sh b/scripts/dhcp2presency.sh
index 4db80c8..17702e6 100755
--- a/scripts/dhcp2presency.sh
+++ b/scripts/dhcp2presency.sh
@@ -4,8 +4,11 @@ for i in $(ls /run/dhcp-leases/)
 do
   if ping -qc 1 -W 1 "$i" >/dev/null
   then
-    touch "/run/dhcp-leases/$ip"
-    n=$((n+1))
+    if [ $(cat "/run/dhcp-leases/$i") -gt $(date --date yesterday +%s) ]
+    then
+      touch "/run/dhcp-leases/$i"
+      n=$((n+1))
+    fi
   else
     logger -t $(basename $0) "dhcp $i is not pingable anymore"
     if [ $(stat -c %Y /run/dhcp-leases/$i) -lt $(date --date "1 hour ago" +%s) ]
diff --git a/scripts/lockbutton.sh.d/changestatus b/scripts/lockbutton.sh.d/changestatus
new file mode 100755
index 0000000..640b3b5
--- /dev/null
+++ b/scripts/lockbutton.sh.d/changestatus
@@ -0,0 +1,18 @@
+#!/bin/bash
+# changes level2 state by the state of the main door
+# i.e. people have to leave it open to keep status open
+if [ "$1" = "pushed" ] && 
+   [ "$(cat /run/spacestatus)" = "open" ]   
+then
+  FORM_action="close" /root/pidor/webserver/cgi-bin/pidor.sh
+  /root/pidor/scripts/upd_status.sh 
+fi 
+if [ "$1" = "released" ] &&       # if switch was released (the door opened, or someone is playing with the switch)
+   [ "$(cat /run/spacestatus)" = "closed" ]   # the status was closed
+#   [ $(stat -c "%Y" /run/spacestatus) -lt $(date --date "1 hour ago" +%s) ]    # since at least one hour
+then
+  FORM_action="open" /root/pidor/webserver/cgi-bin/pidor.sh
+  /root/pidor/scripts/upd_status.sh 
+#  echo "intrusion detected: space was closed since some time and locked, but now is still closed but unlocked" | wall
+#  logger -t $(basename $0) "INTRUSION ALARM. door was opened while status is closed"
+fi
diff --git a/scripts/lockbutton.sh.d/intrusion b/scripts/lockbutton.sh.d/intrusion
deleted file mode 100755
index f0d2e93..0000000
--- a/scripts/lockbutton.sh.d/intrusion
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-if [ "$1" = "released" ] &&       # if switch was released (the door opened, or someone is playing with the switch)
-   [ "$(cat /run/spacestatus)" = "closed" ] &&    # the status was closed
-   [ $(stat -c "%Y" /run/spacestatus) -lt $(date --date "1 hour ago" +%s) ]    # since at least one hour
-then
-  echo "intrusion detected: space was closed since some time and locked, but now is still closed but unlocked" | wall
-  logger -t $(basename $0) "INTRUSION ALARM. door was opened while status is closed"
-fi
diff --git a/scripts/lockbutton.sh.d/lights b/scripts/lockbutton.sh.d/lights
index eb264ba..d583849 100755
--- a/scripts/lockbutton.sh.d/lights
+++ b/scripts/lockbutton.sh.d/lights
@@ -2,10 +2,11 @@
 # called by upd_status and lockbutton, so that whatever
 # sequence is used, the lights go off
 if ( [ "$1" = "pushed" ] || [ "$1" = "closed" ] ) &&
-   [ "$(cat /run/spacestatus)" = "closed" ] &&
+#   [ "$(cat /run/spacestatus)" = "closed" ] &&
    [ "$(cat /run/doorlockbutton)" = "pushed" ] &&
-   ( [ "$(stat -c %Y /run/spacestatus)" -gt "$(date --date "5 minutes ago" +%s)" ] ||
-     [ "$(stat -c %Y /run/doorlockbutton)" -gt "$(date --date "5 minutes ago" +%s)" ] )
+#   ( [ "$(stat -c %Y /run/spacestatus)" -gt "$(date --date "5 minutes ago" +%s)" ] ||
+#     [ "$(stat -c %Y /run/doorlockbutton)" -gt "$(date --date "5 minutes ago" +%s)" ] )
+     [ "$(stat -c %Y /run/doorlockbutton)" -gt "$(date --date "5 minutes ago" +%s)" ] 
 then
   logger -t $(basename $0) "switching all lights off"
   for i in {1..16}
@@ -15,10 +16,11 @@ then
   logger -t $(basename $0) "all lights should be off now"
 fi
 if [ "$1" = "released" ] && # the door has been opened
-   [ "$(cat /run/spacestatus)" = "open" ] &&   # status is open
-   [ "$(stat -c %Y /run/spacestatus)" -gt "$(date --date "50 minutes ago" +%s)" ] &&  # since less than 5 minutes
-   ( [ "$(date +%H)" -gt 18 ] || [ "$(date +%H)" -lt 8 ] ) 
+#   [ "$(cat /run/spacestatus)" = "open" ] &&   # status is open
+#   [ "$(stat -c %Y /run/spacestatus)" -gt "$(date --date "50 minutes ago" +%s)" ] &&  # since less than 5 minutes
+   ( [ "$(date +%s)" -gt $(/root/pidor/scripts/sunset) ] || [ "$(date +%s)" -lt $(/root/pidor/scripts/sunrise) ] ) 
 then
+   #( [ "$(date +%H)" -gt 18 ] || [ "$(date +%H)" -lt 8 ] ) 
   logger -t $(basename $0) "switching some lights on"
   /usr/local/bin/433send 2 1A 1 1 #on
 fi
diff --git a/scripts/rscalc.awk b/scripts/rscalc.awk
new file mode 100755
index 0000000..97f7b2d
--- /dev/null
+++ b/scripts/rscalc.awk
@@ -0,0 +1,231 @@
+#!/usr/bin/awk -f
+# converted from C to awk by gunstick@syn2cat.lu 2014/10/02
+# based on http://www.sci.fi/~benefon/rscalc_cpp.html
+# ugly C code gives ugly awk code, don't blame me
+# input is like this: 49.5916 6.1407 2
+
+# gawk program calculating the sunrise and sunset for
+# the current date and a fixed location(latitude,longitude)
+# Note, twilight calculation gives insufficient accuracy of results
+# Jarmo Lammi 1999 - 2001
+# Last update July 21st, 2001
+
+BEGIN {
+
+ pi = 3.14159;
+ degs = 0.0;
+ rads = 0.0;
+
+ L=g=daylen=0.0
+ SunDia = 0.53;     # Sunradius degrees
+
+ AirRefr = 34.0 / 60.0; # athmospheric refraction degrees 
+}
+#   Get the days to J2000
+#   h is UT in decimal hours
+#   FNday only works between 1901 to 2099 - see Meeus chapter 7
+
+function FNday (y, m, d, h) {
+ luku = int(-7 * (y + (m + 9)/12)/4 + 275*m/9 + d);
+ # type casting necessary on PC DOS and TClite to avoid overflow
+ luku+= y*367;
+ return luku - 730531.5 + h/24.0;
+};
+
+#   the function below returns an angle in the range
+#   0 to 2*pi
+
+function FNrange ( x) {
+    b = 0.5*x / pi;
+    a = 2.0*pi * (b - int(b));
+    if (a < 0) a = 2.0*pi + a;
+    return a;
+};
+
+# Calculating the hourangle
+#
+function f0( lat, declin) {
+ fo=dfo=0.0;
+ # Correction: different sign at S HS
+  dfo = rads*(0.5*SunDia + AirRefr)
+  if (lat < 0.0) { dfo = -dfo };
+  fo = tan(declin + dfo) * tan(lat*rads);
+  if (fo>0.99999) { fo=1.0 }; # to avoid overflow //
+  fo = asin(fo) + pi/2.0;
+  return fo;
+};
+
+# Calculating the hourangle for twilight times
+#
+function f1(lat, declin) {
+ fi=df1=0.0;
+ # Correction: different sign at S HS
+ df1 = rads * 6.0; if (lat < 0.0) { df1 = -df1 };
+ fi = tan(declin + df1) * tan(lat*rads);
+ if (fi>0.99999) { fi=1.0 } ; # to avoid overflow //
+ fi = asin(fi) + pi/2.0;
+ return fi;
+};
+
+
+#   Find the ecliptic longitude of the Sun
+
+function FNsun (d) {
+
+#   mean longitude of the Sun
+
+L = FNrange(280.461 * rads + .9856474 * rads * d);
+
+#   mean anomaly of the Sun
+
+g = FNrange(357.528 * rads + .9856003 * rads * d);
+
+#   Ecliptic longitude of the Sun
+
+return FNrange(L + 1.915 * rads * sin(g) + .02 * rads * sin(2 * g));
+};
+
+
+# Display decimal hours in hours and minutes
+function showhrmn( dhr) {
+hr=mn=0;
+hr= int(dhr);
+mn = int((dhr - hr)*60);
+
+printf("%0d:%0d",hr,mn);
+};
+
+# awk misses some trigo functions
+function asin(x) { return atan2(x, sqrt(1-x*x)) } 
+function tan(x) { return sin(x)/cos(x) }
+{
+
+ y=m=day=h=latit=longit=0.0
+ inlat=inlon=intz=0
+ tzone=d=lambda=0
+ obliq=alpha=delta=LL=equation=ha=hb=twx=0
+ twam=altmax=noont=settm=riset=twpm=0
+ sekunnit=0;
+ tm =0;
+
+degs = 180.0/pi;
+rads = pi/180.0;
+#  get the date and time from the user
+# read system date and extract the year
+
+# First get time **/
+sekunnit=systime();
+
+# Next get localtime **/
+
+ #p=localtime(&sekunnit);
+
+ y = strftime("%Y",sekunnit) # p->tm_year;
+ # this is Y2K compliant method
+ #y+= 1900;
+ m= strftime("%m",sekunnit) #m = p->tm_mon + 1;
+
+
+ day=strftime("%d",sekunnit) # day = p->tm_mday;
+
+ h = 12;
+
+ printf("year %4d month %2d\n",y,m); 
+ printf("Input latitude, longitude [and timezone]\n");
+ #scanf("%f", &inlat); scanf("%f", &inlon); 
+ #scanf("%f", &intz);
+ inlat=$1 ; inlon=$2
+ if($3 != "") {
+  intz=$3
+ } else {  # guess the timezone
+  intz=(systime()-mktime(strftime("%Y %m %d %H %M %S",systime(),1)))/3600
+ }
+ latit = inlat; longit = inlon;
+ tzone = intz;
+
+# testing
+# m=6; day=10;
+
+
+d = FNday(y, m, day, h);
+
+#   Use FNsun to find the ecliptic longitude of the
+#   Sun
+
+lambda = FNsun(d);
+
+#   Obliquity of the ecliptic
+
+obliq = 23.439 * rads - .0000004 * rads * d;
+
+#   Find the RA and DEC of the Sun
+
+alpha = atan2(cos(obliq) * sin(lambda), cos(lambda));
+delta = asin(sin(obliq) * sin(lambda));
+
+# Find the Equation of Time
+# in minutes
+# Correction suggested by David Smith
+LL = L - alpha;
+if (L < pi) { LL += 2.0*pi } ;
+equation = 1440.0 * (1.0 - LL / pi/2.0);
+ha = f0(latit,delta);
+hb = f1(latit,delta);
+twx = hb - ha;	# length of twilight in radians
+twx = 12.0*twx/pi;		# length of twilight in hours
+printf "ha= %.2f   hb= %.2f \n",ha,hb ;
+# Conversion of angle to hours and minutes //
+daylen = degs*ha/7.5;
+     if (daylen<0.0001) {daylen = 0.0;}
+# arctic winter     //
+
+riset = 12.0 - 12.0 * ha/pi + tzone - longit/15.0 + equation/60.0;
+settm = 12.0 + 12.0 * ha/pi + tzone - longit/15.0 + equation/60.0;
+noont = riset + 12.0 * ha/pi;
+altmax = 90.0 + delta * degs - latit; 
+# Correction for S HS suggested by David Smith
+# to express altitude as degrees from the N horizon
+if (latit < delta * degs) altmax = 180.0 - altmax;
+
+twam = riset - twx;	# morning twilight begin
+twpm = settm + twx;	# evening twilight end
+
+if (riset > 24.0) riset-= 24.0;
+if (settm > 24.0) settm-= 24.0;
+
+print "\n sunrise and set";
+print "===============";
+
+printf "  year  : %d \n",y ;
+printf "  month : %d \n",m ;
+printf "  day   : %d \n\n",day ;
+printf "Days since Y2K :  %d \n",d;
+
+printf "Latitude :  %3.1f, longitude: %3.1f, timezone: %3.1f \n",latit,longit,tzone ;
+printf "Declination   :  %.2f \n",delta * degs ;
+printf "Daylength     : " ; showhrmn(daylen); printf " hours \n" ;
+print ""
+printf "Civil twilight: " ;
+showhrmn(twam); 
+print ""
+printf "Sunrise       : " ;
+showhrmn(riset); 
+printf " %d",mktime(strftime("%Y %m %d 00 00 00"))+int(riset*3600)
+print ""
+
+printf "Sun altitude " ;
+# Amendment by D. Smith
+printf " %.2f degr",altmax ;
+printf latit>=0.0 ? " South" : " North" ;
+printf " at noontime " ; showhrmn(noont); ;
+print ""
+printf "Sunset        : " ;
+showhrmn(settm);  
+printf " %d",mktime(strftime("%Y %m %d 00 00 00"))+int(settm*3600)
+print ""
+printf "Civil twilight: " ;
+showhrmn(twpm);  print "" ;
+print ""
+
+#return 0;
+}
diff --git a/scripts/sunrise b/scripts/sunrise
new file mode 100755
index 0000000..7c6ab72
--- /dev/null
+++ b/scripts/sunrise
@@ -0,0 +1,3 @@
+#!/bin/bash
+echo "49.5916 6.1407" | $(dirname "$0")/rscalc.awk |
+awk '/^Sunrise/{print $NF}'
diff --git a/scripts/sunset b/scripts/sunset
new file mode 100755
index 0000000..57e5df4
--- /dev/null
+++ b/scripts/sunset
@@ -0,0 +1,3 @@
+#!/bin/bash
+echo "49.5916 6.1407" | $(dirname "$0")/rscalc.awk |
+awk '/^Sunset/{print $NF}'
diff --git a/scripts/upd_status.sh.d/lights b/scripts/upd_status.sh.d/lights
index eb264ba..d583849 100755
--- a/scripts/upd_status.sh.d/lights
+++ b/scripts/upd_status.sh.d/lights
@@ -2,10 +2,11 @@
 # called by upd_status and lockbutton, so that whatever
 # sequence is used, the lights go off
 if ( [ "$1" = "pushed" ] || [ "$1" = "closed" ] ) &&
-   [ "$(cat /run/spacestatus)" = "closed" ] &&
+#   [ "$(cat /run/spacestatus)" = "closed" ] &&
    [ "$(cat /run/doorlockbutton)" = "pushed" ] &&
-   ( [ "$(stat -c %Y /run/spacestatus)" -gt "$(date --date "5 minutes ago" +%s)" ] ||
-     [ "$(stat -c %Y /run/doorlockbutton)" -gt "$(date --date "5 minutes ago" +%s)" ] )
+#   ( [ "$(stat -c %Y /run/spacestatus)" -gt "$(date --date "5 minutes ago" +%s)" ] ||
+#     [ "$(stat -c %Y /run/doorlockbutton)" -gt "$(date --date "5 minutes ago" +%s)" ] )
+     [ "$(stat -c %Y /run/doorlockbutton)" -gt "$(date --date "5 minutes ago" +%s)" ] 
 then
   logger -t $(basename $0) "switching all lights off"
   for i in {1..16}
@@ -15,10 +16,11 @@ then
   logger -t $(basename $0) "all lights should be off now"
 fi
 if [ "$1" = "released" ] && # the door has been opened
-   [ "$(cat /run/spacestatus)" = "open" ] &&   # status is open
-   [ "$(stat -c %Y /run/spacestatus)" -gt "$(date --date "50 minutes ago" +%s)" ] &&  # since less than 5 minutes
-   ( [ "$(date +%H)" -gt 18 ] || [ "$(date +%H)" -lt 8 ] ) 
+#   [ "$(cat /run/spacestatus)" = "open" ] &&   # status is open
+#   [ "$(stat -c %Y /run/spacestatus)" -gt "$(date --date "50 minutes ago" +%s)" ] &&  # since less than 5 minutes
+   ( [ "$(date +%s)" -gt $(/root/pidor/scripts/sunset) ] || [ "$(date +%s)" -lt $(/root/pidor/scripts/sunrise) ] ) 
 then
+   #( [ "$(date +%H)" -gt 18 ] || [ "$(date +%H)" -lt 8 ] ) 
   logger -t $(basename $0) "switching some lights on"
   /usr/local/bin/433send 2 1A 1 1 #on
 fi