Kiosk mode for raspberry pi device

kiosk.service

[Unit]
Description=Kiosk
Wants=graphical.target
After=graphical.target

[Service]
Environment="DISPLAY=:0"
Type=simple
ExecStart=/bin/bash $HOME/kiosk.sh
Restart=on-abort
User=brett
Group=brett

[Install]
WantedBy=graphical.target

kiosk.sh

#!/bin/bash

cleanup() {
  pkill -P $$
}

trap cleanup EXIT

xset s noblank
xset s off
xset -dpms

unclutter -idle 0.5 -root &

sed -i 's/"exited_cleanly":false/"exited_cleanly":true/' /home/$USER/.config/chromium/Default/Preferences
sed -i 's/"exit_type":"Crashed"/"exit_type":"Normal"/' /home/$USER/.config/chromium/Default/Preferences

/usr/bin/chromium-browser --noerrdialogs --disable-infobars --kiosk https://example.com &

# switch between tabs
while true; do
    xdotool keydown ctrl+Next; xdotool keyup ctrl+Next;
        sleep 15
done