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Z-Uno Shield sealed case ! You still need the 4.7 kΩ resistor as in the diagram. You do not need any of the 11 wires. Unless you need to extend the length. You can bunch up 3 (or 4) wires under each screw terminal on the z-uno shield. As PoltoS said. But you are not going to use the breadboard, just...

That's the Red, Black and Green wires.
It's for the Solderless Prototype Breadboard.
Search ebay for 'jumper wires' to see what they are.
or search for 'solid core wire'.
You would be better off using 'Stripboard Veroboard' and soldering the wires.
It would be more reliable to use Veroboard.

These are the final settings that work for me.
Z-Wave Network Access - Serial port to Z-Wave dongle = /dev/ttyAMA0

sudo nano /boot/config.txt
The only Bluetooth or Uart setting is:-
dtoverlay=pi3-miniuart-bt

Seems to be incompatible with z-way.
Looks as if it is working, but can't send out any commands from z-way.
UART control failure maybe.

Anyone have this working ?

Does seem the documentation doesn't actually work as expected.
did you see my cpuinfo didn't match your script !
grep Revision /proc/cpuinfo
Revision : c03111
So my Pi4 did not work until I disabled Bluetooth, then enabled the UART.

2 out of four today.
my service seems to working still.
25% better already.

grep Revision /proc/cpuinfo
Revision : c03111

dtoverlay=pi3-miniuart-bt" >> /boot/config.txt
I don't know, but isn't that command just redirecting the Bluetooth to the alternative Uart !
so uart0/1 is still disabled.
I take the info from /boot/overlays/README

Hi TickTack Thanks for your detailed reply. btw. I'm a user of this forum, just like you! helping each other. I have No links to the z-way team. The official configuration is to disable Bluetooth and that should then leave Uart available for other uses. I found that in the Raspberry itself. cat /boo...

I did the same upgrade.
After reboot... nothing running from z-way.
Tried a forced upgrade in BASH.. failed.
I had backups, so uninstalled and started fresh.

sudo apt-get remove z-way-server
wget -q -O - https://storage.z-wave.me/RaspbianInstall | sudo bash
now working on 3.0.1

I have same settings, mine is working ok. Looks like it can't communicate with the z-way board via the ttyAMA0 serial port. You need to disable Bluetooth as it uses the same port. edit config.txt and add the disable commands (add both, as i'm not sure which one is correct for pi4) Then sudo shutdown...