diff --git a/pmos/monitor.sh b/pmos/monitor.sh
new file mode 100755
index 0000000..edcdb9f
--- /dev/null
+++ b/pmos/monitor.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+set -e
+
+# command to make rotation
+# normal, left, inverted or right will be passed as the first arg
+COMMAND="$(dirname "$0")/rotate.sh"
+
+# paths to sensor files
+DEVICE=/sys/bus/iio/devices/iio:device0
+DEVICE_X="$DEVICE/in_accel_x_raw"
+DEVICE_Y="$DEVICE/in_accel_y_raw"
+
+# min sensor value to call rotation
+THRESHOLD=10000
+# time interval in seconds
+INTERVAL=2
+
+
+
+PREV_ROT=
+while true; do
+    X="$(cat "$DEVICE/in_accel_x_raw")"
+    Y="$(cat "$DEVICE/in_accel_y_raw")"
+
+    ROT="$PREV_ROT"
+    if [ "$X" -gt "$THRESHOLD" ]; then
+        ROT="normal"
+    elif [ "$X" -lt "-$THRESHOLD" ]; then
+        ROT="inverted"
+    elif [ "$Y" -gt "$THRESHOLD" ]; then
+        ROT="right"
+    elif [ "$Y" -lt "-$THRESHOLD" ]; then
+        ROT="left"
+    fi
+
+    if [ "$ROT" != "$PREV_ROT" ]; then
+        "$COMMAND" "$ROT"
+        PREV_ROT="$ROT"
+        # double wait immediatelly after rotation
+        sleep "$INTERVAL"
+    fi
+
+    sleep "$INTERVAL"
+done
+
diff --git a/pmos/rotate.sh b/pmos/rotate.sh
index c38b716..0d5289d 100755
--- a/pmos/rotate.sh
+++ b/pmos/rotate.sh
@@ -2,14 +2,25 @@
 
 set -e
 
+# directory to store pids of background processes
+PIDS=/dev/shm/cool-rotate
+
 # command to run a screen keyboard
 KEYBOARD="coolkbd"
 # arguments for the screen keyboard
 KEYBOARD_ARGS="/dev/input/event1"
-# name of an input device to configure (from xinput)
-INPUTDEV="Elan Touchscreen"
 
+# command to run sensors monitor (which do the screen auto-rotation)
+MONITOR="$(dirname "$0")/monitor.sh"
+# arguments for the sensors monitor
+MONITOR_ARGS=
+
+# screen notify command, just comment out if it is not need
+NOTIFY="notify-send"
 
+
+# name of an input device to configure (from xinput)
+INPUTDEV="Elan Touchscreen"
 # name of a transformation matrix property of the device
 MATRIX_PROP="Coordinate Transformation Matrix"
 # name of a dead edges sizes property of the device
@@ -30,6 +41,10 @@ function usage() {
     echo "    kbon     - open screen keyboard"
     echo "    kboff    - close screen keyboard"
     echo "    kbtoggle - toggle screen keyboard"
+    echo "    aron     - enable auto-rotation"
+    echo "    aroff    - disable auto-rotation"
+    echo "    artoggle - toggle auto-rotation"
+    echo "    quiet    - disable screen notify"
     echo "    normal,left,inverted,right"
     echo "             - comma separated looped sequence of orientations"
     echo "               screen will be turned to the next state relative to current"
@@ -62,8 +77,6 @@ function fix_rotation_name() {
     *) echo "normal";;
     esac
 }
-
-
 # check if the first arg is a comma separated sequence of valid rotation names
 function is_rotation_sequence() {
     local s="$(echo "$1" | tr -s , ' ')"
@@ -78,8 +91,6 @@ function is_rotation_sequence() {
 function current_rotation() {
     fix_rotation_name "$(xrandr --screen 0 --current --query | head -2 | tail -1 | cut -d' ' -f5)"
 }
-
-
 # turn screen to chosen rotation
 # possible values: normal, left, inverted and right
 function rotate_screen() {
@@ -87,22 +98,35 @@ function rotate_screen() {
 }
 
 
-# keyboard functions
-function is_keyboard_run() {
-    [ -n "$KEYBOARD" ]
-    pidof "$KEYBOARD" > /dev/null
+# check if our serivice is running
+function is_run() {
+    [ -f "$PIDS/$1.pid" ]
 }
-function run_keyboard() {
-    if ! is_keyboard_run; then
-        nohup $KEYBOARD $KEYBOARD_ARGS &> /dev/null &
-    fi
+# run our service if it is not running
+# args: service-name command command-args...
+function run() {
+    local svc="$1"
+    shift
+    ( ! is_run "$svc" ) || return 0
+    [ -n "$1" ] || return 0
+    nohup "$@" &> /dev/null &
+    local p="$!"
+    mkdir -p "$PIDS"
+    echo "$p" > "$PIDS/$svc.pid"
+    [ "$svc" != "monitor" ] || [ -z "$NOTIFY" ] || "$NOTIFY" "rotation ON"
 }
-function stop_keyboard() {
-    [ -z "$KEYBOARD" ] || killall -q "$KEYBOARD" || true
+# stop our service
+function stop() {
+    is_run "$1" || return 0
+    kill "$(cat "$PIDS/$1.pid")" || true
+    rm "$PIDS/$1.pid"
+    [ "$1" != "monitor" ] || [ -z "$NOTIFY" ] || "$NOTIFY" "rotation OFF"
 }
-function toggle_keyboard() {
-    [ -n "$KEYBOARD" ] || return
-    if is_keyboard_run; then stop_keyboard; else run_keyboard; fi
+# stop our service if it is running or run it in other case
+# args: service-name command command-args...
+function toggle() {
+    [ -n "$1" ] || return 0
+    if is_run "$1"; then stop "$1"; else run "$@"; fi
 }
 
 
@@ -112,7 +136,7 @@ function configure_input() {
     local matrix=
     local edges=
     local area=0
-    if is_keyboard_run; then area="$KEYAREA"; fi
+    if is_run keyboard; then area="$KEYAREA"; fi
 
     echo "configure the input device for orientation: $rot"
     case "$rot" in
@@ -149,13 +173,24 @@ while [ "$#" != "0" ]; do
   IS_CMD=1
   if [ "$1" = "kbon" ]; then
     echo "open screen keyboard"
-    run_keyboard
+    run keyboard "$KEYBOARD" $KEYBOARD_ARGS
   elif [ "$1" = "kboff" ]; then
     echo "close screen keyboard"
-    stop_keyboard
+    stop keyboard
   elif [ "$1" = "kbtoggle" ]; then
     echo "toggle screen keyboard"
-    toggle_keyboard
+    toggle keyboard "$KEYBOARD" $KEYBOARD_ARGS
+  elif [ "$1" = "aron" ]; then
+    echo "run auto-rotation sensor monitor"
+    run monitor "$MONITOR" $MONITOR_ARGS
+  elif [ "$1" = "aroff" ]; then
+    echo "stop auto-rotation sensor monitor"
+    stop monitor
+  elif [ "$1" = "artoggle" ]; then
+    echo "toggle auto-rotation sensor monitor"
+    toggle monitor "$MONITOR" $MONITOR_ARGS
+  elif [ "$1" = "quiet" ]; then
+    NOTIFY=
   elif is_rotation_sequence "$1"; then
     ROT="$(current_rotation)"
     ROT="$(next "$1" "$ROT")"
@@ -172,4 +207,5 @@ done
 
 [ -z "$SHOW_USAGE" ] || usage
 ( [ -n "$SHOW_USAGE" ] && [ -z "$CHANGED" ] ) || configure_input
-
+[ -z "$SHOW_USAGE" ]
+echo success