Disable screen blanking in the Raspberry Pi (Debian Buster)

From Ozzmaker.com:

sudo apt-get install x11-xserver-utils
sudo nano /etc/X11/Xsession.d/disableblank.sh

Add:

xset s off
xset -dpms
xset s noblank

Permissions:

sudo chmod +x /etc/X11/Xsession.d/disableblank.sh

Add to autostart:

sudo echo "/etc/X11/Xsession.d/disableblank.sh" >> /etc/xdg/lxsession/LXDE-pi/autostart