source: https://bloggerbrothers.com/2016/12/27/boot-your-pixel-based-pi-into-chromium-kiosk/
Install following software
sudo apt-get install -y x11-xserver-utils unclutter
Create a new file
sudo nano /etc/xdg/lxsession/LXDE-pi/autostart
Copy this code into the file
@lxpanel --profile LXDE-pi
@pcmanfm --desktop --profile LXDE-pi
#@xscreensaver -no-splash
#@point-rpi
@xset s off
@xset -dpms
@xset s noblank
@sed -i 's/"exited_cleanly": false/"exited_cleanly": true/' ~/.config/chromium/Default/Preferences
@chromium-browser --incognito --noerrdialogs --kiosk tomtechproductions.be/example
@unclutter -idle 0.1 -root