sudo nano /boot/config.txt
sudo apt-get install midori
Set Midori homepage to whatever e.g. http://yourdashboard.yoursite.com
sudo apt-get install unclutter
sudo nano ~/.config/lxsession/LXDE-pi/autostart
Comment out:
# @xscreensaver -no-splash
Add:
@xset s off
@xset -dpms
@xset s noblank
@unclutter
midori -e Fullscreen