diff --git a/screen.sh b/screen.sh
new file mode 100644
index 0000000..10932b9
--- /dev/null
+++ b/screen.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# Get primary display name
+display=$(xrandr --query | awk '/ connected primary/{print $1}')
+
+# If no primary, use first connected
+if [ -z "$display" ]; then
+    display=$(xrandr --query | awk '/ connected/{print $1; exit}')
+fi
+
+if [ -z "$display" ]; then
+    echo "No connected display found."
+    exit 1
+fi
+
+# Get physical dimensions line for that display
+dim_line=$(xrandr --query | grep "^$display connected")
+
+# Extract width and height in mm
+width_mm=$(echo "$dim_line" | sed -n 's/.* \([0-9]\+\)mm x \([0-9]\+\)mm.*/\1/p')
+height_mm=$(echo "$dim_line" | sed -n 's/.* \([0-9]\+\)mm x \([0-9]\+\)mm.*/\2/p')
+
+if [ -z "$width_mm" ] || [ -z "$height_mm" ]; then
+    echo "Could not determine physical screen size."
+    exit 1
+fi
+
+# Calculate diagonal in mm
+diagonal_mm=$(echo "scale=4; sqrt($width_mm^2 + $height_mm^2)" | bc -l)
+
+# Convert to inches
+diagonal_in=$(echo "scale=2; $diagonal_mm / 25.4" | bc -l)
+return ${diagonal_in%.*}
\ No newline at end of file
diff --git a/test.sh b/test.sh
new file mode 100644
index 0000000..3413123
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,83 @@
+#!/bin/bash
+
+
+DIR="${BASH_SOURCE%/*}"
+DESKTOP_PATH=$(xdg-user-dir DESKTOP)
+OUT="$DESKTOP_PATH/info.txt"
+
+
+if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi
+
+get_cpu_model () {
+	CPUModel=$(cat /proc/cpuinfo | grep "model name" | head -1 | cut -d: -f2- |  sed 's/^[[:space:]]*//' )
+}
+
+get_model () {
+MODEL=$(cat /sys/class/dmi/id/product_name)
+}
+
+get_RAM () {
+LANGUAGE="${LC_MESSAGES:-$LANG}"
+
+
+if [[ "$LANGUAGE" == de* ]]; then
+    TOTAL_MEM=$(free -g | grep Speicher: | awk '{print $2}')
+elif [[ "$LANGUAGE" == en* ]]; then
+    TOTAL_MEM=$(free -g | awk '/^Mem:/ {print $2}')
+fi
+
+}
+
+. "$DIR/lan.sh"
+get_cpu_model
+get_model
+get_RAM
+clear
+echo -e "$(date -I)" >"$OUT"
+echo -e "CPU:\t$CPUModel" >>"$OUT"
+echo -e "Model:\t$MODEL"  >>"$OUT"
+echo -e "RAM:\t$TOTAL_MEM GB" >> "$OUT"
+
+. "$DIR/camera.sh"
+retval=$?
+if [ "$retval" == 0 ]
+then
+	echo -e "Kamera:\t Ja"  >>"$OUT"
+else
+	echo -e "Kamera:\t Nein"  >>"$OUT"
+fi
+
+
+. "$DIR/wifi.sh"
+retval=$?
+if [ "$retval" == 0 ] ; then
+	echo -e "WIFI:\t Ja"  >>"$OUT"
+else
+	echo -e "WIFI:\t Nein"  >>"$OUT"
+fi
+
+. "$DIR/screen.sh"
+
+in_retval=$?
+if [ "$in_retval" != 0 ]
+then
+	echo -e "Screen:\t $in_retval"  >>"$OUT"
+else
+	echo -e "Screen check failed"  >>"$OUT"
+fi
+
+#clear
+cat "$OUT"
+
+echo "Fertig."
+
+read -p "Script Löschen? - (y/n): " answer
+
+if [[ "$answer" == [Yy] ]]; then
+    rm /usr/local/bin/csr_info/*
+    rm $DESKTOP_PATH/CSR_INFOS.desktop
+else
+    true
+fi
+
+read -n 1 -s -r -p "Beenden mit Tastendruck"
\ No newline at end of file
diff --git a/wifi.sh b/wifi.sh
new file mode 100644
index 0000000..34a1e27
--- /dev/null
+++ b/wifi.sh
@@ -0,0 +1,65 @@
+#!/bin/bash
+
+SSID="CSR"
+PASSWORD="CSR_2021"
+
+nmcli connection delete $SSID #delete network to safely test
+
+if [[ -z "$SSID" || -z "$PASSWORD" ]]; then
+  echo "Usage: $0 <SSID> <PASSWORD>"
+  return 1
+fi
+
+echo "Verbinde: $SSID ..."
+
+nmcli dev wifi connect "$SSID" password "$PASSWORD" >/dev/null 2>&1
+
+if [[ $? -ne 0 ]]; then
+  echo "Verbinding fehlgeschlagen $SSID"
+  return 2
+fi
+
+echo "Verbindsaufbau..."
+
+# Wait up to 15 seconds for connection
+for i in {1..15}; do
+  STATE=$(nmcli -t -f WIFI g)
+  if [[ "$STATE" == "enabled" ]]; then
+    CONN=$(nmcli -t -f ACTIVE,SSID dev wifi | grep '^ja' | cut -d: -f2)
+    if [[ "$CONN" == "$SSID" ]]; then
+      echo "Verbunden mit $SSID"
+      break
+    fi
+  fi
+  sleep 1
+done
+
+if [[ "$CONN" != "$SSID" ]]; then
+  echo "Verbindingsfehler"
+  return 3
+fi
+
+echo "Teste (ping 8.8.8.8)..."
+
+ping -c 3 8.8.8.8 >/dev/null 2>&1
+PING_STATUS=$?
+
+if [[ $PING_STATUS -ne 0 ]]; then
+  echo "Kein Internet"
+  return 4
+fi
+
+echo "Ping Erfolg"
+
+echo "Teste HTTP..."
+
+curl -s --max-time 5 https://google.com >/dev/null 2>&1
+CURL_STATUS=$?
+
+if [[ $CURL_STATUS -ne 0 ]]; then
+  echo "HTTP fehlgeschlagen"
+  return 5
+fi
+
+echo "Internet funktioniert!"
+return 0