dreijahreszeiten

Linux setup and control scripts to run "Die drei Jahreszeiten" diorama / multimedia installation with all connected peripherals: 3x Audio Speakers, Waveshare 7.8inch e-Paper HAT via IT8951 controller, 3x Waveshare 11.9inch LCD via HDMI, 3x Arduino Nano controlling motors via Ethernet, 90x90cm LCD display with BrightSign controller via Ethernet.

Setup

Tested on ASRock DeskMini 310 with Intel Core i7 8700T CPU, Samsung 970 Evo Plus 500GB and 16GB G.Skill Ripjaws memory
Operating System: Ubuntu Server 22.04.2
SSH for remote access

Network

192.168.1.100 Main computer
192.168.1.111 Bright Sign LCD Screen
192.168.1.112 Arduino Nano (Servo & Rotation Motors)
192.168.1.113 Arduino Nano (Stepper Motors)
192.168.1.114 Arduino Nano (LEDs)

Install dependencies

ffmpeg
X11 with xinit and xterm
mplayer
aplay
figlet
tmux
it8951-video
rkpzavav

Clone repository in home folder

git clone https://github.com/adzialocha/dreijahreszeiten

Link all dotfiles

ln -s ./dreijahreszeiten/.bashrc .
# etc.

Setup static IP address

Edit /etc/netplan/00-installer-config.yaml

network:
  version: 2
  ethernets:
    eno1:
      optional: true
      dhcp4: false
      dhcp6: false
      addresses:
        - 192.168.1.100/24
      nameservers:
        addresses: 
          - 192.168.1.1
          - 8.8.8.8
      routes:
        - to: default
          via: 192.168.1.1

Enable auto login

Read more: https://ostechnix.com/ubuntu-automatic-login/

Edit /etc/systemd/logind.conf
Change values to NAutoVTs=6 and ReserveVT=7, uncomment both of them

Create the following folder:

sudo mkdir /etc/systemd/system/getty@tty1.service.d/
sudo vim /etc/systemd/system/getty@tty1.service.d/override.conf

Edit contents of override.conf file:

[Service]
ExecStart=
ExecStart=-/sbin/agetty --noissue --autologin <your user name> %I $TERM
Type=idle

Disable audio powersave mode to prevent clicking noise

echo "options snd_hda_intel power_save=0" | sudo tee -a /etc/modprobe.d/audio_disable_powersave.conf