sudo raspi-config
https://superuser.com/questions/671169/starting-and-stopping-x11-and-lxde-from-command-line
sudo /etc/init.d/lightdm stop
https://scribles.net/disabling-bluetooth-on-raspberry-pi/
Ajouter
dtoverlay=pi3-disable-bt
au fichier /boot/config.txt. Puis:
sudo systemctl disable hciuart.service sudo systemctl disable bluetooth.service