It’s working! Just had my first QSO on Hubnet via Allstar with some wonderful people helping me to configure my audio levels. This is way more fun than DMR.
@DL6MHC Uhhh, tell me more? Looks interesting?
@dl5psy This is an AllstarLink node which consists of
* Raspberry pi 4 with Asterisk (voip software)
* modified Baofeng 888s
* DC-DC converters
* modified USB soundcard
With this I have my personal FM simplex repeater at home which is able to connect to other Allstar nodes as well as to Echolink hosts (not tried yet). With a simple analog FM HT you can connect to other nodes via DTMF and work the world.
Here is a good starting point: https://allstarsetup.com/
And here: https://www.youtube.com/watch?v=qzmHeXg268M
@dl5psy Since it is working now, I can now do the fun stuff, eg. adding a LCD to the frontpanel.
I was thinking about posting a write-up on my website so I won't forget what I've done when I need to fix something in the future ;)
@DL6MHC That is always a good idea.
@DL6MHC I even started watching the video already before you posted it. must have seen it in my TL before... but 
:D
@dl5psy I really like this channel - lots of good info well presented. I built the node because of this video popping up in my recommendations :)